NEET Sample Paper NEET Sample Test Paper-32

  • question_answer To prepare a solution that is \[0.50\text{ }M\text{ }KCl\]starting with \[100\text{ }ml,\] of 0.40 M KC1 : (Mol. wt = 75) :-

    A)  Add \[0.75\text{ }g\text{ }KCl\]

    B)  Add 20 ml of water

    C)  Add \[0.10\text{ }mol\text{ }KCl\]

    D)  Evaporate 10ml water

    Correct Answer: A

    Solution :

    To make \[0.5M\] solution, \[0.01\,mole\] \[KCl\] i.e., \[0.75gm\]\[KCl\] should be added to \[100\,ml\,0.40\,M\,KCl\]solution

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