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28 November, 00:13

What is the molarity of a solution that contains 4.87 g KCI (74.55 g/mol) dissolved in in 500.0 ml water?

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Answers (2)
  1. 28 November, 00:19
    0
    Molarity = 0.13M

    Explanation:

    n=m/M = 4.87/74.55 = 0.065mol, V = 500ml = 0.5dm3

    Applying

    n = C*V

    0.065 = C*0.5

    C = 0.13M
  2. 28 November, 00:40
    0
    It is the first answer choice
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