Answer:
Step-by-step explanation:
Part (c)
Mix together two suitable solutions.
Use filtration to separate the precipitate as a residue from the solution.
Wash the precipitate with distilled water while it is in the filter funnel.
Leave the washed precipitate aside or in a warm oven to dry.
Part (d)
Pb(NO3)2 (aq) + Na2SO4 (aq) → 2 NaNO3 (aq) + PbSO4 (s)