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24 December, 22:03

How many copper atoms are in 150 g of copper metal

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  1. 24 December, 22:28
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    1. From grams - > mole:

    =grams given x 1 mol/molar mass

    So 150 g Cu x 1 mol Cu/63.546 g Cu = 2.4 mol Cu

    2. From mole - > atoms

    =number of mol x 6.022x10^22 atoms/1 mol

    So 2.4 mol Cu x 6.022x10^22 atoms Cu/1 mol Cu = 1.4 x 10^24 atoms Cu
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