Question

If 20g of Ca(0H)2 took part in the following reaction, how much CaCl2 would be formed.

Ca(0H)2 + 2HCl to CaCl2 +2H20

Answer 1

20g of Ca(OH)₂ is 0.27 moles

Each mole of Ca(OH)₂ produces one mole of CaCl₂

now go for it...