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Givien a 2.0kg solution of phosphoric acid and water 53% phosphoric acid by mass calculate the number of moles of phosphoric acid

  • Chemistry -

    53% H3PO4 means 53 g H3PO4/100 g soln. So 2 kg soln will have
    53 x 2000g/100g = about 1060g H3PO4.
    Then moles = grams/molar mass.

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