Question

A solution contains 0.1 M 2 Ba

ions and 0.1 M 2

Sr

ions, in aqueous solution.

K Cr O 2 2 7 is added as a precipitating agent. Find the conc. of 2 Ba

conc. left in

solution when 4

SrCrO starts precipitation.

10 5

4 4 1.2 10 ; 3.6 10 K of BaCrO is K of SrCrO is sp sp

   

1) 7

3.3 10

 2) 9

1.23 10

 3) 4

3.26 10

 4) 9​

Answer 1

15-Aug-2020 — Sr ions, in aqueous solution. K Cr O 2 2 7 is added as a precipitating agent. Find the conc. of 2 Ba conc. left in solution when 4

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