I blanked how to solve this:

Question

How many grams of carbon dioxide are produced when 2.5 grams of sodium bicarbonate reacts with excess citric acid according to:
3NaHCO3+H3C6H5O7 -> Na3C6H5O7+3CO2+3H2O

Could you include the steps, please? Thanks.

Answer 1

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