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27 September, 00:46

How many moles are in 15.5-g SiO2

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  1. 27 September, 03:37
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    0.26 moles

    Explanation:

    Number of moles = mass/molar mass

    Mass of SiO2 = 15.5g

    Molar mass of SiO2 = 60.08g/mol

    Number of moles = 15.5g/60.08g/mol

    =0.257

    = 0.26 moles
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