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August 28, 2014

Homework Help: chemistry need help plzzz tomorrow is a TEST!!!

Posted by TARA on Thursday, December 9, 2010 at 8:38pm.

phosphoric acid is the active ingredient in many commercial rust-removing solution.calculate the volume of concentrated phosphoric acid (14.6 mol/L)that must be diluted to prepare 500mL of a 1.25 mol/L solution.

how can i calulate the volume cocentration for this question.... can someone show it to me, step by step plzzzz.... the answer for this question is 42.8 mL ( i looked up in my text book)...thank u :)

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