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HOW MANY GRAMS OF LACTIC ACID ARE IN A .5M SOLUTION OF LACTIC ACID? ?

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HOW MANY GRAMS OF LACTIC ACID ARE IN A .5M SOLUTION OF LACTIC ACID? ?

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  1. Lactic acid - C3H6O3. Or 90g/mol. You have 0.5mol/L solution.

    (0.5mol)(90g/mol) = 45 grams lactic acid. Notice the moles cancel out.

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