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22 October, 05:55

A chemist adds 0.50L of a 0.485 M copper (II) sulfate CuSO4 solution to a reaction flask. Calculate the millimoles of copper (II) sulfate the chemist has added to the flask. Be sure your answer has the correct number of significant digits.

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  1. 22 October, 06:07
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    It is given that volume is 0.50 L and molarity is 0.485 M. Hence, number of millimoles will be calculated as follows.

    Number of millimoles = Molarity * Volume

    As there are 1000 mL in 1 L. So, 0.50 L equals 500 mL.

    Therefore, putting the given values into the above formula as follows.

    Number of millimoles = Molarity * Volume

    = 0.485 M * 500 mL

    = 242.5

    Thus, we can conclude that 242.5 millimoles of copper (II) sulfate has been added by the chemist to the flask.
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