1.

If the solubility product of \[BaS{{O}_{4}}\]is \[1.5\times {{10}^{-9}}\]in water, its solubility in moles per litre, is [BHU 1995; MP PET 1995; UPSEAT 204]

A.        \[1.5\times {{10}^{-9}}\]     
B.        \[3.9\times {{10}^{-5}}\]
C.        \[7.5\times {{10}^{-5}}\]     
D.        \[1.5\times {{10}^{-5}}\]
Answer» C.        \[7.5\times {{10}^{-5}}\]     


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