The mixing of which pair of reactants will result in a precipitation reaction? A) CsI(aq) + NaOH(aq) B) HCl(aq) + Ca(OH)₂(aq) C) K₂SO₄(aq) + Ba(NO₃)₂(aq) D) NaNO₃(aq) + NH₄Cl(aq)

Question

Quizplus · Accepted Answer

When potassium sulfite and barium nitrate are mixed, they will undergo a precipitation reaction as they form an insoluble compound, barium sulfite. This reaction can be represented by the equation:
K2SO3(aq) + Ba(NO3)2(aq) -> BaSO3(s) + 2KNO3(aq)

The Mixing of Which Pair of Reactants Will Result in a Precipitation