Question

Define a mole. Find the mass of 0.2 moles of CaCl2 (Calcium Chloride)

Answer 1

Mole is defined as the ratio of the mass of a given compound to the molar mass of the compound..

The molar mass of CaCl2 is 111 g

Therefore the mass of 0.2 moles of CaCl2 is 0.2×111 = 22.2g

Hope it helps you..