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4 November, 18:28

7) Determine the number of tin atoms in 7.5 moles of tin.

The molar mass of tin is 118.71 g/mol

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Answers (1)
  1. 4 November, 18:45
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    4.5 x 10^24 atoms of tin

    Explanation:

    We do not need to use the molar mass because we only need to know that 1 mol of something = 6.022 x 10^23 atoms of that thing.

    7.5 mol tin x (6.022 x 10^23 atoms/1 mol tin)
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