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19 July, 02:33

How many moles are represented in 213 grams of sodium bromide, NaBr?

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  1. 19 July, 05:35
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    The number of mole represented is 2.07 moles

    Explanation:

    Using the formula

    n = m/Mm

    n - mole

    m - mass

    Mm - molar mass

    Since the mass is given to be 213g

    So lets calculate the molar mass of sodium bromide (NaBr)

    The molar mass of Na = 22.99

    Br = 79.904

    Molar mass = 22.99+79.904

    = 102.894g/mol

    Using the formula n = m/Mm

    n = 213g / 102.894g/mol

    n = 2.07moles
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