AP Chemistry Multiple Choice Practice Test

A mass of 0.650 grams of calcium carbonate is added to 50.0 mL of 0.275 M HCl. If the CO2(g) gas is collected in a 1.00 L flask at 25 degrees Celsius, what is the pressure of CO2(g) in the flask? CaCO3(s) + 2H^+(aq) -> Ca^2+(aq) + H2O(l) + CO2(g)