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21 December, 00:36

2.00 mL of a 0.75 M solution of potassium

permanganaté K2 MnO4 Solution is us od 10

make a 500-00 mL solution. what is the

concentration of the new solution.

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Answers (1)
  1. 21 December, 03:45
    0
    The concentration of the new solution is: 0, 003M

    Explanation:

    We use the formula:

    C initial x V initial = C final x V final

    0,75M x 2ml = C final x 500ml

    C final = (0,75M x 2ml) / 500ml=3x10e-3M = 0,003M
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