Question

Calculate the number of mL of hydrogen gas at 27 degrees Celsius and 640 Torr produced by the reaction of 0.520 grams of magnesium with excess hydrochloric acid.

Answer 1

Here is a worked example of a stoichiometry problem. Find moles H2, then use PV = nRT to solve for volume in liters and convert to mL. http://www.jiskha.com/science/chemistry/stoichiometry.html

Answer 2

green liquid + blue lquid