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10 June, 00:03

What is the number of moles of solute in 650ml of a 0.40M solution?

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Answers (2)
  1. 10 June, 00:27
    0
    Given the concentration as molarity, we can use the following formula to solve for the moles

    moles = Molarity x Liters

    Molarity = 0.40 M

    liters = 650 mL = 0.650 L

    moles = 0.40 x 0.650 = 0.26 moles
  2. 10 June, 00:28
    0
    V=650 ml = 0.65 l

    c=0.4 mol/l

    n=vc

    n=0.65 l * 0.4 mol/l = 0.26 mol
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