Mole Calculations

What is the volume, in dm³, of 1 mole of hydrogen gas at r.t.p.?

What is the volume, in dm³, of 3.5 moles of carbon dioxide gas at r.t.p.?

How many moles of gas are present in 0.72 dm³ of argon at r.t.p.? Include unit mol in your answer.

How many moles of gas are present in 6 dm³ of sulfur dioxide at r.t.p.? Include unit mol in your answer.

What is the volume, in dm³, of 0.16 g of helium gas at r.t.p.?

What is the volume, in dm³, of 64 g of oxygen gas at r.t.p.?

What is the mass of 24 dm³ of methane CH₄ gas at r.t.p.?

What is the mass of 12 dm³ of ammonia NH₃ gas at r.t.p.?

0.05 mole of KOH were added to 100 cm³ of water. What is the concentration of KOH solution in mol/dm³?

A beaker contains 30 cm³ of 3 mol/dm³ of sulfuric acid. What is the number of moles of acid in the beaker?