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Chemistry

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a student separated a 1.50 g sample of sand mixed with salt and obtained 0.70 g of salt and 0.65 g of sand. what percent recovery of the initial mixture was obtained?

  • Chemistry -

    You had 1.50 to start; you recovered 0.70 + .65 = 1.35g.
    %recovered = (1.35/1.50)*100 = ?

  • Chemistry -

    %recovered is 90%

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