Concentration - Revision history

NRJC: /* Meaning */

2022-02-23T12:06:58Z

‎Meaning

NRJC: /* Meaning */

2022-02-23T12:06:45Z

‎Meaning

Ellen References at 14:59, 3 December 2019

2019-12-03T14:59:32Z

Ellen References at 14:58, 3 December 2019

2019-12-03T14:58:47Z

Ellen References at 01:20, 17 November 2019

2019-11-17T01:20:18Z

Ellen References at 14:51, 3 November 2019

2019-11-03T14:51:15Z

NRJC: /* About Concentration */

2019-03-25T21:43:46Z

‎About Concentration

NRJC: /* Concentration as Molarity */

2019-01-12T11:35:31Z

‎Concentration as Molarity

NRJC: /* Concentration as Molarity */

2019-01-12T11:29:19Z

‎Concentration as Molarity

NRJC: /* Concentration by Moles */

2019-01-12T11:26:55Z

‎Concentration by Moles

@@ Line 9: / Line 9: @@
 ===Meaning===
 [[Concentration]] is the [[ratio]] of a [[solute]] to a [[solvent]].
 or
 The relative abundance of [[particle]]s in a region.

@@ Line 9: / Line 9: @@
 ===Meaning===
 [[Concentration]] is the [[ratio]] of a [[solute]] to a [[solvent]].
 ===About Concentration===

← Older revision		Revision as of 14:59, 3 December 2019
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	====OCR====		====OCR====
	:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Concentration (effect on reaction rate), page 131, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']		:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Concentration (effect on reaction rate), page 131, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']
		+	:[https://www.amazon.co.uk/gp/product/1782945679/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945679&linkCode=as2&tag=nrjc-21&linkId=a2db42f7b4bdf10cafaafa3bb9120940 ''Concentration, pages 44, 63, 64, GCSE Chemistry; The Revision Guide, CGP, OCR Gateway '']
		+	:[https://www.amazon.co.uk/gp/product/0198359829/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359829&linkCode=as2&tag=nrjc-21&linkId=90e8d7b4f039d53035238fa0320fe00b ''Concentration; acids, pages 118-119, 274-275, Gateway GCSE Chemistry, Oxford, OCR '']
		+	:[https://www.amazon.co.uk/gp/product/0198359829/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359829&linkCode=as2&tag=nrjc-21&linkId=90e8d7b4f039d53035238fa0320fe00b ''Concentration; calculations, pages 164-165, Gateway GCSE Chemistry, Oxford, OCR '']
		+	:[https://www.amazon.co.uk/gp/product/1782945679/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945679&linkCode=as2&tag=nrjc-21&linkId=a2db42f7b4bdf10cafaafa3bb9120940 ''Concentration; effect on equilibrium, page 74, GCSE Chemistry; The Revision Guide, CGP, OCR Gateway '']
		+	:[https://www.amazon.co.uk/gp/product/1782945679/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945679&linkCode=as2&tag=nrjc-21&linkId=a2db42f7b4bdf10cafaafa3bb9120940 ''Concentration; effect on rate, page 71, GCSE Chemistry; The Revision Guide, CGP, OCR Gateway '']
		+	:[https://www.amazon.co.uk/gp/product/0198359829/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359829&linkCode=as2&tag=nrjc-21&linkId=90e8d7b4f039d53035238fa0320fe00b ''Concentration; equilibrium position, page 188-189, 190, Gateway GCSE Chemistry, Oxford, OCR '']
		+	:[https://www.amazon.co.uk/gp/product/0198359829/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359829&linkCode=as2&tag=nrjc-21&linkId=90e8d7b4f039d53035238fa0320fe00b ''Concentration; reaction rates, pages 178-179, Gateway GCSE Chemistry, Oxford, OCR '']

← Older revision		Revision as of 14:58, 3 December 2019
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	:[https://www.amazon.co.uk/gp/product/1782948147/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948147&linkCode=as2&tag=nrjc-21&linkId=f63dcd8345f4e49c717b39a228a36c7c ''Concentration; effect on rate, pages 232, 235, 236, GCSE Chemistry, CGP, Edexcel '']		:[https://www.amazon.co.uk/gp/product/1782948147/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948147&linkCode=as2&tag=nrjc-21&linkId=f63dcd8345f4e49c717b39a228a36c7c ''Concentration; effect on rate, pages 232, 235, 236, GCSE Chemistry, CGP, Edexcel '']
	:[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Concentration; effect on rate, pages 78, 81, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']		:[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Concentration; effect on rate, pages 78, 81, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']
		+
		+	====OCR====
		+	:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Concentration (effect on reaction rate), page 131, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']

← Older revision		Revision as of 01:20, 17 November 2019
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	:[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Concentrations, pages 129-135, GCSE Chemistry, CGP, AQA '']		:[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Concentrations, pages 129-135, GCSE Chemistry, CGP, AQA '']
	:[https://www.amazon.co.uk/gp/product/1782945571/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945571&linkCode=as2&tag=nrjc-21&linkId=9e29fad914244909903e5e93f8a01d87 ''Concentrations, pages 46, 47, GCSE Chemistry; The Revision Guide, CGP, AQA '']		:[https://www.amazon.co.uk/gp/product/1782945571/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945571&linkCode=as2&tag=nrjc-21&linkId=9e29fad914244909903e5e93f8a01d87 ''Concentrations, pages 46, 47, GCSE Chemistry; The Revision Guide, CGP, AQA '']
		+
		+	====Edexcel====
		+
		+	:[https://www.amazon.co.uk/gp/product/1292120193/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120193&linkCode=as2&tag=nrjc-21&linkId=572df39392fb4200db8391d98ae6314e ''Concentration, pages 20, 88, 197, GCSE Combined Science, Pearson Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1292120207/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120207&linkCode=as2&tag=nrjc-21&linkId=22455ff53961978667722edaa64c0be5 ''Concentration, pages 24, 126, 164, GCSE Biology, Pearson, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Concentration, pages 29, 44, 65, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1292120215/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120215&linkCode=as2&tag=nrjc-21&linkId=8f96ddb76196848bafdb124354e4cf77 ''Concentration, pages 53, 112-113, GCSE Chemistry, Pearson, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782948147/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948147&linkCode=as2&tag=nrjc-21&linkId=f63dcd8345f4e49c717b39a228a36c7c ''Concentration, pages 80, 81, 123, 124, 187, 188, GCSE Chemistry, CGP, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782945741/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945741&linkCode=as2&tag=nrjc-21&linkId=30da4f2178da182547b62a7329d13b57 ''Concentration, pages 92, 106, GCSE Combined Science; The Revision Guide, CGP, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782945741/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945741&linkCode=as2&tag=nrjc-21&linkId=30da4f2178da182547b62a7329d13b57 ''Concentration; effect on equilibrium, page 122, GCSE Combined Science; The Revision Guide, CGP, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Concentration; effect on equilibrium, page 60, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782948147/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948147&linkCode=as2&tag=nrjc-21&linkId=f63dcd8345f4e49c717b39a228a36c7c ''Concentration; effect on equilibrium, pages 173, 203, GCSE Chemistry, CGP, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782945741/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945741&linkCode=as2&tag=nrjc-21&linkId=30da4f2178da182547b62a7329d13b57 ''Concentration; effect on rate, pages 129, 132, GCSE Combined Science; The Revision Guide, CGP, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782948147/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948147&linkCode=as2&tag=nrjc-21&linkId=f63dcd8345f4e49c717b39a228a36c7c ''Concentration; effect on rate, pages 232, 235, 236, GCSE Chemistry, CGP, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Concentration; effect on rate, pages 78, 81, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']

← Older revision		Revision as of 14:51, 3 November 2019
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	'' '''concentration''' '' = 0.5mol/dm<sup>3</sup> = 5M		'' '''concentration''' '' = 0.5mol/dm<sup>3</sup> = 5M
	\|}		\|}
		+
		+	===References===
		+	====AQA====
		+
		+	:[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Concentration, page 193, GCSE Chemistry; Student Book, Collins, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/0198359381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359381&linkCode=as2&tag=nrjc-21&linkId=47c8d1ae58d8b3a5e2094cd447154558 ''Concentration, pages 72-77, 134-135, GCSE Chemistry; Third Edition, Oxford University Press, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Concentration; and equilibrium, page 214-5, GCSE Chemistry; Student Book, Collins, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Concentration; and reaction rate, pages 200-1, 204, 206-7, GCSE Chemistry; Student Book, Collins, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851362/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851362&linkCode=as2&tag=nrjc-21&linkId=7d78d70a2044ee9982dae010c94af92a ''Concentration; Effect on dynamic equilibrium, pages 132, GCSE Combined Science Trilogy 2, Hodder, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851362/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851362&linkCode=as2&tag=nrjc-21&linkId=7d78d70a2044ee9982dae010c94af92a ''Concentration; Effect on the rate of a reaction, pages 123, 125, 127, 129, GCSE Combined Science Trilogy 2, Hodder, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Concentration; of acid, page 153, GCSE Chemistry; Student Book, Collins, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Concentration; of solution, pages 112-3, 118-9, 125, GCSE Chemistry; Student Book, Collins, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851346/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851346&linkCode=as2&tag=nrjc-21&linkId=3ac654f4b0da781c49c855a1af4c92ea ''Concentration; titrations, pages 88-90, GCSE Chemistry, Hodder, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851354/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851354&linkCode=as2&tag=nrjc-21&linkId=9012a0d354024419214fb3ad5ac44ba0 ''Concentrations of solutions, page 193, GCSE Combined Science Trilogy 1, Hodder, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe09796 ''Concentrations, page 126, GCSE Combined Science; The Revision Guide, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/178294639X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294639X&linkCode=as2&tag=nrjc-21&linkId=51599bb45a2bfaf7c1b6a978b2ca2616 ''Concentrations, pages 118-120, GCSE Combined Science Trilogy; Chemistry, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Concentrations, pages 129-135, GCSE Chemistry, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782945571/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945571&linkCode=as2&tag=nrjc-21&linkId=9e29fad914244909903e5e93f8a01d87 ''Concentrations, pages 46, 47, GCSE Chemistry; The Revision Guide, CGP, AQA '']

@@ Line 21: / Line 21: @@
 ===About Concentration===
 : [[Concentration]] can be measured in g/dm<sup>3</sup> or mol/dm<sup>3</sup> ([[Molarity]]).
-: When calculating [[concentration]] in g/dm<sup>3</sup> the [[mass]] of the [[solute]] is [[measure]]d in [[gram]]s and the [[Volume (Space)|volume]] of [[solvent]] is [[measure]]d in [[decimetres cubed]].
+: When calculating [[concentration]] in g/dm<sup>3</sup> the [[mass]] of the [[solute]] is [[measure]]d in [[gram]]s and the [[Volume (Space)|volume]] of [[solvent]] is [[measure]]d in [[Decimetres Cubed|decimetres cubed]].
-: When calculating [[concentration]] in mol/dm<sup>3</sup> the amount of [[solute]] is [[measure]]d in [[Mole]]s by finding the [[mass]] and the [[Relative Formula Mass|relative formula mass]] of the [[chemical]] to find out the number of [[mole]]s and the [[Volume (Space)|volume]] of [[solvent]] is [[measure]]d in [[decimetres cubed]].
+: When calculating [[concentration]] in mol/dm<sup>3</sup> the amount of [[solute]] is [[measure]]d in [[Mole]]s by finding the [[mass]] and the [[Relative Formula Mass|relative formula mass]] of the [[chemical]] to find out the number of [[mole]]s and the [[Volume (Space)|volume]] of [[solvent]] is [[measure]]d in [[Decimetres Cubed|decimetres cubed]].
 ===Equation===

@@ Line 109: / Line 109: @@
 | style="height:20px; width:300px; text-align:center;" |117g of [[NaCl]] is [[dissolve]]d in 0.5dm<sup>3</sup> of [[water]]. Calculate the [[concentration]] in g/dm<sup>3</sup>.
 | style="height:20px; width:300px; text-align:center;" |28g of [[KOH]] is [[dissolve]]d in 100ml of [[water]]. Calculate the [[concentration]] in g/dm<sup>3</sup>.
-| style="height:20px; width:300px; text-align:center;" |73g of [[HCl]] is [[dissolve]]d in 400ml of [[water]]. Calculate the [[concentration]] in g/dm<sup>3</sup>.
+| style="height:20px; width:300px; text-align:center;" |7.3g of [[HCl]] is [[dissolve]]d in 400ml of [[water]]. Calculate the [[concentration]] in g/dm<sup>3</sup>.
 |-
 | style="height:20px; width:200px; text-align:left;" |
@@ Line 142: / Line 142: @@
 | style="height:20px; width:200px; text-align:left;" |
 '''Find the number of [[mole]]s.'''
-[[mass]] = 73g
+[[mass]] = 7.3g
 [[Relative Formula Mass]] = 36.5g
@@ Line 150: / Line 150: @@
 Number of [[Mole]]s = <math>{\frac{m}{M_r}}</math>
-Number of [[Mole]]s = <math>{\frac{73}{36.5}}</math>
+Number of [[Mole]]s = <math>{\frac{7.3}{36.5}}</math>
-Number of [[Mole]]s = 2mol
+Number of [[Mole]]s = 0.2mol
 |-
 | style="height:20px; width:300px; text-align:left;" |
@@ Line 195: / Line 195: @@
 '' '''concentration (mol/dm<sup>3</sup>)''' '' = <math>\frac{mass (g)}{volume (dm^3)}</math>
-'' '''concentration''' '' = <math>\frac{2}{0.4}</math>
+'' '''concentration''' '' = <math>\frac{0.2}{0.4}</math>
-'' '''concentration''' '' = 5mol/dm<sup>3</sup> = 5M
+'' '''concentration''' '' = 0.5mol/dm<sup>3</sup> = 5M
 |}

@@ Line 179: / Line 179: @@
 '' '''concentration (mol/dm<sup>3</sup>)''' '' = <math>\frac{Moles (mol)}{volume (dm^3)}</math>
-'' '''concentration''' '' = <math>\frac{117}{0.5}</math>
+'' '''concentration''' '' = <math>\frac{2}{0.5}</math>
-'' '''concentration''' '' = 234g/dm<sup>3</sup>
+'' '''concentration''' '' = 4mol/dm<sup>3</sup> = 4M
 | style="height:20px; width:300px; text-align:left;" |
 '''Calculate the Concentration:'''
@@ Line 187: / Line 187: @@
 '' '''concentration (mol/dm<sup>3</sup>)''' '' = <math>\frac{Moles (mol)}{volume (dm^3)}</math>
-'' '''concentration''' '' = <math>\frac{28}{0.1}</math>
+'' '''concentration''' '' = <math>\frac{0.5}{0.1}</math>
-'' '''concentration''' '' = 280g/dm<sup>3</sup>
+'' '''concentration''' '' = 5mol/dm<sup>3</sup> = 5M
 | style="height:20px; width:300px; text-align:left;" |
 '''Calculate the Concentration:'''
@@ Line 195: / Line 195: @@
 '' '''concentration (mol/dm<sup>3</sup>)''' '' = <math>\frac{mass (g)}{volume (dm^3)}</math>
-'' '''concentration''' '' = <math>\frac{73}{0.4}</math>
+'' '''concentration''' '' = <math>\frac{2}{0.4}</math>
-'' '''concentration''' '' = 182.5g/dm<sup>3</sup>
+'' '''concentration''' '' = 5mol/dm<sup>3</sup> = 5M
 |}

@@ Line 33: / Line 33: @@
 ====Concentration by Moles====
-'' '''concentration (g/dm<sup>3</sup>)''' '' = <math>\frac{Moles (mol)}{volume (dm^3)}</math>
+'' '''concentration (mol/dm<sup>3</sup>)''' '' = <math>\frac{Moles (mol)}{volume (dm^3)}</math>
 Where: