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29 October, 00:48

How many moles of boron are in 37.8 grams of boron?

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Answers (2)
  1. 29 October, 01:35
    0
    The answer is 3.50 moles
  2. 29 October, 01:50
    0
    To work out moles you do:

    Mass/molecular mass

    37.8/10.811

    = 3.4964388123

    = 3.50 (3 s. f)

    3.50mol
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