Homework Help: Chemistry

Posted by Kelly on Sunday, March 17, 2013 at 7:38pm.

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?

Chemistry - Kelly, Sunday, March 17, 2013 at 8:05pm
I figured it out. Nevermind.
Chemistry - DrBob222, Sunday, March 17, 2013 at 8:59pm
Start with the equation and mols. The equation gives you values at STP.

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