contestada

Which of the following reactions represents a precipitation reaction?
A. CoCl2(aq) + Na,so,(aq) → Coso (aq)+2NaCl(aq)
B. AgNO, (aq) + KCI (aq) → AgCl (s) + KNO3(aq)
C. HNO3(aq) + NaF(aq) → HF(aq) + NaNO3(aq)
D. AgNO3(aq) + NaCl (s) → AgCl (aq) + NaNO3(aq)

Respuesta :

The answer is B as precipitates are solids and B is the only equation that forms a solid in an aqueous solution.