Sunday
April 20, 2014

Homework Help: Chemistry!!

Posted by Anonymous on Monday, April 22, 2013 at 6:09pm.

A chemist wants to prepare a stock solution of H2SO4 so that a sample of 20.00mL will produce a solution with a concentration of .50 M when added to 100.0mL of water.

A)what should the molarity of the stock solution be?
B)If the chemist wants to prepare 5.00L of the stock solution from a concentrated H2S)4, which is the 18.0 M, what volume of concentrated acid should be used?

(please explain how you get the answer..I'm so confused, help!!)

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