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2 July, 14:26

Calculate the concentration of sodium ions made by diluting 45.0 mL of a 0.748 M solution of sodium sulfide to a total volume of 250.0 mL

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  1. 2 July, 14:28
    0
    C1V1 = C2V2

    use this formula C1 = 0.748 M

    V1 = 45.0 mL change to L

    V2 = 250.0 mL again change to L

    C2 = ?
  2. 2 July, 14:35
    0
    Use the formula M1V1 = M2V2

    45 (0.748) = 250 (M2)

    33.66 = 250 (M2)

    M2 = 0.135 M
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