Chemistry question?

Consider the following chemical reaction:
P4(s) + 12HCl(aq)--> 4PH3(g) + 6Cl2(g)

Suppose 20.0g of P4 are added to 5.000L of 7.225 M HCl.

If the two gaseous products are collected separately, and not over water, then what volume of chlorine gas is collected at STP?
2 answers 2