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9 April, 07:55

Which of the following is the mass in grams of 4.25 * 10³ mol of N2?

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  1. 9 April, 08:00
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    From the periodic table:

    mass of nitrogen = 14 grams

    This means that:

    molar mass of N2 = 2*14 = 28 grams

    Now, number of moles can be calculated using the following rule:

    number of moles = mass / molar mass

    Therefore:

    mass = number of moles * molar mass

    mass = 4.25*10^3 * 28

    mass = 119 * 10^3 grams
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