Problem: A solution contains 0.015 M Ba2+ and 0.015 Ag+ . Na2SO4 (s) is slowly added to the solution. Does silver sulfate or barium sulfate precipitate first? How much of the first precipitated ion remains when the second ion begins to precipitate? a. BaSO4, 1.1 x 10 -3 Ba + remains b. BaSO4, 1.5 x 10 -9 Ba+ remains c. BaSO4, 7.6 x 10 -2 Ba+ remains d. Ag2SO4, 7.6 x 10 -2 Ag2+ remains e. Ag2SO4, 1.5 x 10 -9 Ag2+ remains 

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Problem Details

A solution contains 0.015 M Ba2+ and 0.015 Ag+ . Na2SO4 (s) is slowly added to the solution. Does silver sulfate or barium sulfate precipitate first? How much of the first precipitated ion remains when the second ion begins to precipitate?

a. BaSO4, 1.1 x 10 -3 Ba + remains

b. BaSO4, 1.5 x 10 -9 Ba+ remains

c. BaSO4, 7.6 x 10 -2 Ba+ remains

d. Ag2SO4, 7.6 x 10 -2 Ag2+ remains

e. Ag2SO4, 1.5 x 10 -9 Ag2+ remains 

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