1.

The solubility product of \[A{{s}_{2}}{{S}_{3}}\] is \[2.8\times {{10}^{-72}}\]. What is the solubility of \[A{{s}_{2}}{{S}_{3}}\]                                                  [Pb. CET 2003]

A.                 \[1.09\times {{10}^{-15}}\ mole/litre\]
B.                 \[1.72\times {{10}^{-15}}\ mole/litre\]
C.                 \[2.3\times {{10}^{-16}}\ mole/litre\]
D.                 \[1.65\times {{10}^{-36}}\ mole/litre\]
Answer» B.                 \[1.72\times {{10}^{-15}}\ mole/litre\]


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