Gas Reaction & Concentration Solution

Gas Reaction and Concentration

1) How many moles are in 500dm^3 of CO^2 at r.t.p.?

2) What is the volume of 3g of SO^2 at r.t.p.?

3) What is the concentration of calcium when reacting with 72dm^3 of oxygen?

2Ca(s) + O^2(g) -> 2CaO(s)

4) Ca(s) + _ H^2O(l) -> Ca(OH)^2(ap) + H^2(g)

a) Balance the equation

b) What volume of hydrogen gas is produced when 2g of calcium reacts with water?

1) 20.83mol

2) 1.125dm^3

3) 48g

4) a) 2

b) 1.2dm^3