Topic 6 Quantitative analysis, equilibrium, fuel cells

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

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Front (Question)

• What is the relative formula mass of magnesium oxide, MgO?

Back (Answer)

Front (Question)

• What is the relative formula mass of water, H2O?

Back (Answer)

Front (Question)

• What is the relative formula mass of carbon dioxide, CO2?

Back (Answer)

Front (Question)

• What is the relative formula mass of sulfuric acid, H2SO4?

Back (Answer)

Front (Question)

• What is the empirical formula of a compound with molecular formula C2H6?

Back (Answer)

CH3

Front (Question)

• What is the empirical formula of a compound with molecular formula C6H6?

Back (Answer)

Front (Question)

• H What is the mass of 1 mole of sodium chloride, NaCl?

Back (Answer)

58.5 g

Front (Question)

• H What is the mass of 0.1 mole of sulfur dioxide, SO2?

Back (Answer)

6.4 g

Front (Question)

• What mass of water should be formed when 2 g of hydrogen reacts with 16 g of oxygen?

Back (Answer)

18 g

#10

Front (Question)

• What mass of magnesium oxide should be formed when 2.4 g of magnesium reacts with 1.6 g of oxygen?

Back (Answer)

4.0 g

#11

Front (Question)

• What is meant by the actual yield?

Back (Answer)

the actual amount of product formed in a reaction

#12

Front (Question)

• What is meant by the theoretical yield?

Back (Answer)

the maximum mass of product calculated from the balanced equation

#13

Front (Question)

• What is the formula for calculating percentage yield?

Back (Answer)

(actual yield/theoretical yield) × 100%

#14

Front (Question)

• What is the percentage yield if the actual yield is 60 g and the theoretical yield is 100 g?

Back (Answer)

60%

#15

Front (Question)

• What is the percentage yield if the actual yield is 5.5 g and the theoretical yield is 10 g?

Back (Answer)

55%

#16

Front (Question)

• What is the percentage yield if the actual yield is 15 g and the theoretical yield is 20 g?

Back (Answer)

75%

#17

Front (Question)

• What is the percentage yield if the actual yield is 0.1 g and the theoretical yield is 0.5 g?

Back (Answer)

20%

#18

Front (Question)

• Give one reason why the actual yield is less than the theoretical yield.

Back (Answer)

incomplete reaction, practical losses or competing reactions

#19

Front (Question)

• What is the relative formula mass of calcium hydroxide, Ca(OH)2?

Back (Answer)

#20

Front (Question)

• What is the relative formula mass of magnesium nitrate, Mg(NO3)2?

Back (Answer)

148

#21

Front (Question)

• What is meant by a solute?

Back (Answer)

a substance that dissolves in a liquid

#22

Front (Question)

• What is meant by a solvent?

Back (Answer)

the liquid that dissolves the solute

#23

Front (Question)

• How many cm3 are there in 1 dm3?

Back (Answer)

1000

#24

Front (Question)

• What is the concentration, in g dm-3, of 100 cm3 of a solution containing 2 g of solute?

Back (Answer)

20 g dm-3