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Yield (Chemistry)

55 bytes added, 17:51, 12 January 2019
Examples
===Examples===
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Calculate the '''yield''' of [[Magnesium Oxide]] given 48g of [[Magnesium]] and excess [[Oxygen]].
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Find the '''yield''' of [[Water]] when 320g of [[Methane]] [[Chemical reaction|reacts]] with excess [[Oxygen]].
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Find the '''yield''' of [[Sodium Chloride]] when 7.3 of [[Hydrochloric Acid]] [[Chemical Reaction|reacts]] with excess [[Sodium Hydroxide]].
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'''Write the Balanced Symbol Equation'''
2Mg + O<sub>2</sub> → 2MgO
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'''Write the Balanced Symbol Equation'''
CH<sub>4</sub> + 2O<sub>2</sub> → 2H<sub>2</sub>O + CO<sub>2</sub>
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'''Write the Balanced Symbol Equation'''
NaOH + HCl → NaCl + H<sub>2</sub>O
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| style="height:20px; width:200px300px; text-align:left;" |'''Find the [[Relative Formula Mass]] of the relevant [[reactant]]s and [[product]].'''
M<sub>r</sub> of Mg = 24g
M<sub>r</sub> of MgO = 40g
| style="height:20px; width:200px300px; text-align:left;" |'''Find the [[Relative Formula Mass]] of the relevant [[reactant]]s and [[product]].'''
M<sub>r</sub> of CH<sub>4</sub> = 16g
M<sub>r</sub> of H<sub>2</sub>O = 18g
| style="height:20px; width:200px300px; text-align:left;" |'''Find the [[Relative Formula Mass]] of the relevant [[reactant]]s and [[product]].'''
M<sub>r</sub> of NaOH = 40g
M<sub>r</sub> of NaCl = 58.5g
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| style="height:20px; width:200px300px; text-align:left;" |'''State the [[ratio]] of [[mole]]s of each [[chemical]] needed.'''
2 [[mole]]s of Mg are needed for every 2 [[mole]]s of MgO
| style="height:20px; width:200px300px; text-align:left;" |'''State the [[ratio]] of [[mole]]s of each [[chemical]] needed.'''
1 [[mole]] of CH<sub>4</sub> is needed for every 2 [[mole]]s H<sub>2</sub>O
| style="height:20px; width:200px300px; text-align:left;" |'''State the [[ratio]] of [[mole]]s of each [[chemical]] needed.'''
1 [[mole]] of HCl and NaOH are needed for every 1 [[mole]] of NaCl
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| style="height:20px; width:200px300px; text-align:left;" |'''Find the number of [[mole]]s supplied of the known [[mass]].'''
No. [[Mole]]s = <math>\frac{Mass}{M_r}</math>
'''Yield''' = 80g
| style="height:20px; width:200px300px; text-align:left;" |'''Find the number of [[mole]]s supplied of the known [[mass]].'''
No. [[Mole]]s = <math>\frac{Mass}{M_r}</math>
'''Yield''' = 720g
| style="height:20px; width:200px300px; text-align:left;" |'''Find the number of [[mole]]s supplied of the known [[mass]].'''
No. [[Mole]]s = <math>\frac{Mass}{M_r}</math>