Question #2f32f

1 Answer
Al E.
Nov 30, 2017

#CaSO_4# is soluble in water, for the most part.

#CaCO_3# is insoluble in water, for the most part. #Ca(NO_3)_2# is soluble in water, for the most part.

#BaSO_4# is insoluble in water, for the most part. #K_2SO_4# is soluble in water for the most part.

Hence, if we're after a homogeneous solution without precipitate,

#Ca(NO_3)_2(aq) + K_2SO_4(aq) to CaSO_4(s) + 2KNO_3(aq)#

is probably the reaction.

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