Volume of 4.3 moles of CO2

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure