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posted by melissa Sunday, March 9, 2008 at 6:19pm.

You have a 70% dextrose solution. How many grams of dextrose are in 400ml?

It depends upon the density of the solution. If 400 ml weighs 400g (as it would for water), then 70% of that would be the mass of dextrose, assuming the "%" refers to the mass fraction.

thanks for the input!

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