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19 December, 16:10

Calculate the molecular weights for nh3 and sf6

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  1. 19 December, 16:51
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    no. of moles of SF6 = 0.35/molar mass of SF6 = 0.35/146.06 = 2.396 X 10^-3

    so you need 2.396 X 10^-3 moles of NH3 molecules

    molar mass of NH3 = 17.031 g/mole

    that means 1 mole of NH3 = 17.031 g

    so 2.396 X 10^-3 moles of NH3 = 17.031 X 2.396 X 10^-3 = 0.041 g
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