Sodium carbonate reacts with hydrochloric acid as shown below in an unbalanced chemical equation. What mass of CO2 is produced from the reaction of 2.94g Na2CO3 with excess HCL?

Answer 1

I have answered three times here and nothing posts. Try again.
The balanced equation is
Na2CO3 + 2HCl ==> 2NaCl + H2O + CO2

Answer 2

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

Answer 3

What mass of CO2 is produced from the reaction of 2.94 g Na2CO3 with excess HCl?

Answer 4

it is 1.22 g. CO2

Answer 5

Mama: NO

Mama's son: FINE