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18 April, 07:35

How many moles of methane molecules, CH4, are in 80 grams of methane

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  1. 18 April, 08:04
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    Number of mole = 5moles

    Explanation:

    To find the number of mole of methane, we will use the formula

    n = m / Mm

    n - moles

    m - mass

    Mm - molar mass

    Since m - 80g

    Let's calculate the molecular weight of CH4

    C - 12

    H - 1

    Mw = 12 + 1 * 4

    = 12 + 4

    = 16g/mol

    n = 80g/16g/mol

    n = 5moles
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