Molar Mass Concept II

What is the molar mass of element nitrogen?

What is the molar mass of silver hydroxide?

The mass of one mole of a chloride formed by a metal X is 111 g. If the formula of the chloride is XCl₂, what is the identity of metal X?

• aluminium

• barium

• calcium

• magnesium

Y forms an oxide with the formula Y₂O and the mass of 1 mole of its oxide is 144 g. What is the identity of Y?

• copper

• iron

• lead

• potassium

What is the mass of 1 mole of copper?

What is the mass of 1 mole of zinc oxide?

What is the mass of 3 moles of NO₂?

What is the mass of 4 moles of Cl₂?

What is the mass of 0.5 mole of Na₂CO₃?

What is the mass of 0.3 mole of BaSO₄?