Question

what mass of barium chloride would be produced when a solution contains 0.3mol of barium chloride is mixed with excess lead (ii) nitrate

Answer 1

Pb(NO₃)₂ + BaCl₂ → PbCl₂ + Ba(NO₃)₂

Molar mass: 208.23 g/mol

Mass $208.23×0.3=62.469grams$