J Hiesenberg14

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Manufacturer’s directions call for the addition of 90 mL of water to constitute a 150- mL container of cefaclor to yield a strength of 250 mg of cefaclor per 5 mL. If 60 mL of water were mistakenly added in consti- tuting the product, calculate the resultant milligrams of cefaclor per 5 mL.

Please explain
The ans is 312.5 mg

I did : 250 * 210 =52500/150 =350
 

trailerpark

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I would throw away the old bottle, grab a new one and add the water myself.
 

owlegrad

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I would throw away the old bottle, grab a new one and add the water myself.
Why not add 30 more ml of water?

Anyway that has nothing to do with the question.