posted by Kelly .
For the reaction:
2HCl + Na2CO3→ 2NaCl + H2O + CO2
how much CO2 is produced at STP if 18.5 L of 1.15 M Na2CO3is used? The molar mass of Na2CO3is 106.01 g/mol.
I know I have to use stoichiometry and possibly PV=nRT but I don't know what to use first. Do I start with 18.5L?