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1 March, 22:37

What is the mass of 6.12 moles of arsenic (As) ?

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  1. 1 March, 22:54
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    the mass = 459 g of As
  2. 1 March, 23:01
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    Mole = Mass / Molar mass

    6.12 moles = Mass / 74.92 g/mol

    Mass = 6.12 moles x 74.92 g/mol

    Mass = 458.51g
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