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Today, 01:58

How many grams of NH3 are needed to provide the same number of molecules as in 0.15 grams of SF6

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  1. Today, 03:21
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    Moles of SF6 = 0.15/molar mass of SF6 = 0.15/146.06 = 1.02 x 10⁻³ moles.

    Moles of NH3 = Moles of SF6 = 1.02 x 10⁻³ moles.

    Therefore mass of NH3 = moles of NH3 x molar mass of NH3

    = 1.02 x 10⁻³ x 17.03

    = 0.017 grams.
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