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A student placed 12.5 of glucose (C6H12O6) in a 100ml volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the calibration mark on the neck of the flask was reached. The flask was then shaken until the solution was uniform. A 50.0ml sample of this glucose solution was diluted to 0.500L . How many grams of glucose are in 100ml. of the final solution?

  • chem -

    I see you added the units of volume, as Bob Pursley suggested; however, you omitted the units for the glucose. If that was 12.5 g glucose the was originally weighed, then the final solution is
    (12.5/100)*(50/500)*100
    Check my thinking.

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