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Yield (Chemistry)

543 bytes removed, 17:12, 12 January 2019
Examples
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Find the [[Relative Formula Mass]] of the relevant [[reactant]]s and [[product]]sM<sub>r</sub> of Mg = 24g
M<sub>r</sub> of 2Mg = 48g
M<sub>r</sub> of O<sub>2</sub> 2MgO = 16x2 M<sub>r</sub> of O<sub>2</sub> = 32g M<sub>r</sub> of MgO = 24+16 M<sub>r</sub> of MgO = 40g80g
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Find the [[Relative Formula Mass]] of the relevant [[reactant]]s and [[product]]sM<sub>r</sub> of CH<sub>4</sub> = 12+1x4
M<sub>r</sub> of CH<sub>4</sub> = 16g
 
M<sub>r</sub> of O<sub>2</sub> = 16x2
 
M<sub>r</sub> of O<sub>2</sub> = 32g
 
M<sub>r</sub> of 2O<sub>2</sub> = 64g
 
M<sub>r</sub> of CO<sub>2</sub> = 12+16x2
M<sub>r</sub> of CO<sub>2</sub> = 44g
 
M<sub>r</sub> of H<sub>2</sub>O = 1x2+16
 
M<sub>r</sub> of H<sub>2</sub>O = 18
 
M<sub>r</sub> of 2H<sub>2</sub>O = 36g
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Find the [[Relative Formula Mass]] of the relevant [[reactant]]s and [[product]]s.
M<sub>r</sub> of NaOH = 40g
M<sub>r</sub> of HCl = 36.5g
 
M<sub>r</sub> of NaCl = 23+35.5
M<sub>r</sub> of NaCl = 58.5g
 
M<sub>r</sub> of H<sub>2</sub>O = 1x2+16
 
M<sub>r</sub> of H<sub>2</sub>O = 18
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State the [[ratio]] of [[mole]]s of each [[chemical]] needed.
2 [[mole]]s of Mg are needed for every 1 2 [[mole]] s of O<sub>2</sub>MgO
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State the [[ratio]] of [[mole]]s of each [[chemical]] needed.
1 [[mole]] of CH<sub>4</sub> is needed for every 2 1 [[mole]]s of OCO<sub>2</sub>
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State the [[ratio]] of [[mole]]s of each [[chemical]] needed.
1 [[mole]] of HCl and NaOH are needed for every 1 [[mole]] of NaOHNaCl
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