chemistry

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A student placed 10.5 g of glucose C6H12O6 in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.mL mark on the neck of the flask was reached. The flask was then shaken until the solution was uniform. A 60.0 mL sample of this glucose solution was diluted to 0.500 L. How many grams of glucose are in 100 mL of the final solution?

I tried using the formula M1V1=M2V2 but the 60.0 mL is throwing me off? how do i do this problem? thanks!

  • chemistry -

    10.5 g is in a 100; therefore, 10.5/100 = 0.105 g/mL.

    Now take 60.0 of that solution is diluted to 500 mL.
    So we have 10.5 g/mL x 60 mL = xx grams and that divided by 500 = yy g/mL. Now multiply that by 100 to know how much is in 100 mL. Check my thinking.

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