
Concept explainers
(a)
Interpretation: The mass of the product produced by the complete reaction of 0.125 mol of the first reactant in the given reaction.
Concept Introduction:
According to the balanced equation for 1 mol of reaction,
1 mol of AgNO3 produces 1 mol of AgOH and 1 mol of LiNO3.
(a)

Answer to Problem 9A
15.6 g of AgOH and 8.62 g of LiNO3 will be produced.
Explanation of Solution
According to the balanced equation for 1 mol of reaction,
1 mol of AgNO3 produces 1 mol of AgOH and 1 mol of LiNO3
So, 0.125 mol of AgNO3 produces 0.125 mol of AgOH and 0.125 mol of LiNO3
Molar mass of AgOH = 124.88 g/mol
Molar mass of LiNO3 = 68.946 g/mol
So,
(b)
Interpretation: The mass of the product produced by the complete reaction of 0.125 mol of the first reactant in the given reaction.
Concept Introduction:
According to the balanced equation for 1 mol of reaction,
1 mol of Al2(SO4)3 produces 2 moles of AlCl3 and 3 moles of CaSO4
(b)

Answer to Problem 9A
33.3 g of AlCl3 and 51.1 g of CaSO4 will be produced.
Explanation of Solution
According to the balanced equation for 1 mol of reaction,
1 mol of Al2(SO4)3 produces 2 moles of AlCl3 and 3 moles of CaSO4
So, 0.125 mol of Al2(SO4)3 produces ?(2×0.125)? mol of AlCl3 and ?(3×0.125)? mol of CaSO4
Hence, 0.125 mol of Al2(SO4)3 produces 0.250 mol of AlCl3 and 0.375 mol of CaSO4
Molar mass of AlCl3 = 133.34 g/mol
Molar mass of CaSO4 = 136.14 g/mol
(c)
Interpretation: The mass of the product produced by the complete reaction of 0.125 mol of the first reactant in the given reaction.
Concept Introduction:
According to the balanced equation for 1 mol of reaction,
1 mol of CaCO3 produces 1 mol of CaCl2, 1 mol of CO2 and 1 mol of H2O
(c)

Answer to Problem 9A
13.9 g of CaCl2, 5.50 g of CO2 and 2.25 g of H2O will be produced.
Explanation of Solution
?
According to the balanced equation for 1 mol of reaction:
1 mol of CaCO3 produces 1 mol of CaCl2, 1 mol of CO2 and 1 mol of H2O
So, 0.125 mol of CaCO3 produces 0.125 mol of CaCl2, 0.125 mol of CO2 and 0.125 mol of H2O
Molar mass of CaCl2 = 110.98 g/mol
Molar mass of CO2 = 44.01 g/mol
Molar mass of H2O = 18.02 g/mol
(d)
Interpretation: The mass of the product produced by the complete reaction of 0.125 mol of the first reactant in the given reaction.
Concept Introduction:
According to the balanced equation for 1 mol of reaction:
2 moles of C4H10 produce 8 moles of CO2 and 10 moles of H2O
(d)

Answer to Problem 9A
22.0 g of CO2 and 11.3 g of H2O will be produced.
Explanation of Solution
According to the balanced equation for 1 mol of reaction:
2 moles of C4H10 produce 8 moles of CO2 and 10 moles of H2O
So,
0.125 mol of C4H10 produces ?(28?×0.125)? mol of CO2 and ?(210?×0.125)? mol of H2O
Hence, 0.125 mol of C4H10 produces 0.500 mol of CO2 and 0.625 mol of H2O
Molar mass of CO2 = 44.01 g/mol
Molar mass of H2O = 18.02 g/mol
Chapter 9 Solutions
World of Chemistry, 3rd edition
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