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Problem- Which of the combinations below will produce some precipitate (even if only a very small amount)? The concentrations shown are after mixing, but before reaction.

4.42e-5 M Ba(NO3)2 + 1.75e-6 M Na2SO4; Ksp (BaSO4) = 1.10e-10.

9.78e-6 M Ca(NO3)2 + 8.50e-2 M Na2CO3; Ksp (CaCO3) = 8.71e-9.

3.53e-8 M AgNO3 + 1.82e-9 M NaI; Ksp (AgI) = 8.51e-17.

3.19e-2 M Mg(NO3)2 + 2.90e-4 M NaF; Ksp (MgF2) = 6.46e-9.

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Category:- Chemistry
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