solution strength

by Kathy
(Tennessee)

How many milligrams of active ingredient will you need to prepare 120 mL of a product that contains 4 mg/mL of active ingredients?

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solution strength

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Apr 24, 2011
 solution strength answer
by: Anonymous

I believe the formula is x/120ml = 4mg/1ml. Cross multiply and solve for x. x = 480mg.

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