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10 April, 11:37

How many formula units of NaNO3 are in 2.99 moles of NaNO3 (Mw. 85.00 g/mol) ?

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  1. 10 April, 11:49
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    The formula units of NaNO3 that are in 2.99 moles of NaNO3 is

    1.80 x 10^24 formula units

    calculation

    Use the Avogadro's constant to calculate the formula units

    that is, 1 mole = 6.02 x10^23 formula units

    2.99 moles = ? formula units

    by cross multiplication

    = (2.99 moles x 6.02 x10^23 formula units) / 1 mole = 1.80 x 10^24 formula units
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