Chemistry Practice Problems Stoichiometry Practice Problems Solution: In a chemical reaction, exactly 2 mol of substance...

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Solution: In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B. 2A → 3BHow many molecules of substance B are produced when 26.8 g of substance A reacts? The molar mass of substance A is 16.7 g/mol.

Problem

In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B. 

2A → 3B

How many molecules of substance B are produced when 26.8 g of substance A reacts? The molar mass of substance A is 16.7 g/mol.