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March 25, 2017

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how many atoms are in a sample of 175 g of sodium (Na)? 4.58 x 1024 or 1.42 x 1027?

  • chemistry - ,

    mols Na = grams/molar mass.
    1 mol conatins 6.02E23.

    (175/23) x 6.02E23 = 4.58E24.

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