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2 August, 05:35

How many moles of LiCl

are in 250g of LiCl

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Answers (1)
  1. 2 August, 05:47
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    Moles are amount of substance. Molar mass is the mass of 1 mol of substance.

    Molar mass of LiCl is the sum of molar masses of the individual elements.

    molar mass of Li - 6.9 g/mol and Cl - 35.45 g/mol

    molar mass of LiCl - 6.9 + 35.45 = 42.35

    therefore molar mass of LiCl - 42.35 g/mol

    number of moles of LiCl = mass present / molar mass of LiCl

    number of LiCl moles = 250 g / 42.35 g/mol = 5.90 mol

    5.90 moles of LiCl
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