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The mixing of which pair of reactants will result in a precipitation reaction?

K2SO4(aq) + Ba(NO3)2(aq)

HCl(aq) + Ca(OH)2(aq)

NaNO3(aq) + NH4Cl(aq)

CsI(aq) + NaOH(aq)

Respuesta :

Answer:

K2SO4(aq) + Ba(NO3)2(aq)

Explanation:

K2SO4(aq) + Ba(NO3)2(aq)= 2KNO3(aq) + BaSO4(s)

The reaction produces BaSO4

Which precipitates as the insoluble product and Soluble KNO3 solution