1.

The solubility product of a sparingly soluble salt \[A{{X}_{2}}\]is \[3.2\times {{10}^{-11}}\]. Its solubility (in moles / litres) is  [CBSE PMT 2004]

A.        \[2\times {{10}^{-4}}\]  
B.        \[4\times {{10}^{-4}}\]
C.        \[5.6\times {{10}^{-6}}\]     
D.        \[3.1\times {{10}^{-4}}\]
Answer» B.        \[4\times {{10}^{-4}}\]


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