a.
Interpretation: To calculate the amount of phosphoric acid in grams.
Concept Introduction: A mole is
The coefficients are the numbers that are written in front of the chemical formula/symbol in order to balance a
a.
Answer to Problem 56A
The amount of phosphoric acid is
Explanation of Solution
The given chemical reaction is depicted as follows:
When three moles of calcium carbonate react with two moles of phosphoric acid it yields one mole of calcium phosphate, three moles of carbon dioxide, and three moles of water.
The amount of calcium phosphate is
Therefore, the moles of calcium phosphate can be calculated as follows:
As per the stoichiometry ratio, the number of moles of phosphoric acid is as follows:
Calculation for the amount of phosphoric acid in grams is as follows:
b.
Interpretation: To calculate the amount of carbon dioxide.
Concept Introduction: A mole is
The coefficients are the numbers that are written in front of the chemical formula/symbol in order to balance a chemical reaction. The coefficients help in determining the conversion factors between the number of moles for two different substances in a chemical equation.
b.
Answer to Problem 56A
The amount of carbon dioxide is
Explanation of Solution
The given chemical reaction is depicted as follows:
When three moles of calcium carbonate react with two moles of phosphoric acid, it yields one mole of calcium phosphate, three moles of carbon dioxide, and three moles of water.
The amount of water is
The amount of carbon dioxide can be calculated as follows:
Chapter 12 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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