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22 September, 02:13

How many grams are in 2.4 moles of NH4?

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  1. 22 September, 02:23
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    Answer: 43.2 grams

    Explanation:

    Given that,

    Amount of moles of NH4 (n) = 2.4

    Mass of NH4 in grams (m) = ?

    For molar mass of NH4, use the molar masses of:

    Nitrogen, N = 14g;

    Hydrogen, H = 1g

    NH4 = 14g + (1g x 4)

    = 14g + 4g

    = 18g/mol

    Since, amount of moles = mass in grams / molar mass

    2.4 mole = m / 18g/mol

    m = 2.4 mole x 18g/mol

    m = 43.2g

    Thus, there are 43.2 grams in 2.4 moles of NH4.
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