Question

How many grams of sodium bicarbonate mut be decomposed by:
HCl (ag) + NaHCO3 (ag) ----> NaCl (ag) + CO2 (g) + H2O (l)
to yield 75.0 mL of carbon dioxide at STP?

Answer 1

Here is the link to a worked example.
http://www.jiskha.com/science/chemistry/stoichiometry.html