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CMC Medical CMC-Medical Ludhiana Solved Paper-2013

  • question_answer
    What is the solubility product constant for silver phosphate if the solubility of\[A{{g}_{3}}P{{O}_{4}}\] is \[4.4\times {{10}^{-5}}M\]?

    A)  \[3.7\times {{10}^{-16}}\]                           

    B)  \[1.0\times {{10}^{-16}}\]

    C)  \[5.8\times {{10}^{-9}}\]                             

    D)  \[9.1\times {{10}^{-16}}\]

    Correct Answer: B

    Solution :

                    For \[A{{g}_{3}}P{{O}_{4}},\]if s is solubility, then\[{{K}_{sp}}=(3{{s}^{3}})(s)=27{{s}^{4}}=27\,{{(4.4\times {{10}^{-5}})}^{4}}\] \[={{10}^{-16}}\]


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