Baking soda (NaHCO3, 84.0 g/mol) requires acids from other ingredients to generate the carbon dioxide needed to make bread rise. The following equation describes this reaction, where HB is some unspecified acid. If 20.4 g of baking soda are used in a recipe and enough acid is present for a complete reaction, how many moles of carbon dioxide are generated? HB NaHCO3
H2O
CO2
NaB
A) 0.464 mol
B) 0.334 mol
C) 0.243 mol
D) 0.204 mol
E) 0.232 mol
Correct Answer:
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