March 28, 2017

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How many moles of carbon, hydrogen, and oxygen are present in a 100-g\rm g sample of ascorbic acid?

  • chem - ,

    ascorbic acid is C6H8O6.
    mols ascorbic acid in 100 g is
    mol = grams/molar mass = 100/176.12 = ?
    There are 6 C atoms/mol acid, 8 H atoms/mol acid, and 6 O atoms/mol acid.
    mols C is 6x that.
    mols H is 8x that.
    mols O is 6x that.

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