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8 February, 13:37

A chemist adds 50.0ML of a 0.20 mol/l sodium chloride solution to a reaction flask. Calculate the millimoles of sodium chloride the chemist has added to the flask. Round your answer to 2 significant digits.

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Answers (2)
  1. 8 February, 16:32
    0
    10 mmoles

    Explanation:

    moles = Molarity x Volume in Liters

    moles NaCl = (0.20M) (0.050L) = 0.010mol x (1000 mmoles/mole) = 10 mmoles
  2. 8 February, 17:21
    0
    10 millimoles

    Explanation:

    moles = Molarity x Volume in Liters

    moles NaCl = (0.20M) (0.050L) = 0.010mol x (1000 millimoles/mole) = 10 millimoles
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