Part A When aqueous solutions of are mixed, a precipitate forms. O K2SO4 and CrCla O...

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Answer 1

Answer #1

Asnwer- E) AgNO3 and NiBr2

2AgNO3 + NiBr2 = 2AgBr + Ni(NO3)2

It will form precipitate as Nitrate ion NO3- is water soluble and NiBr2 is not water soluble.

Because in this reaction Cation Ag+ react with Anion Br- to produce an insoluble ionic solid AgBr which is a precipitate.

Answer 2

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