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A student placed 12.5 of glucose () in a 100.- 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 50.0- sample of this glucose solution was diluted to 0.500 . How many grams of glucose are in 100. of the final solution?

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    The units of volume are not clear to me. Please use ml or l as volume units.

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