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September 19, 2014

Homework Help: Chemistry

Posted by Queen on Wednesday, July 30, 2014 at 6:15pm.

1. In order to make 250mL of a 0.100 M HNO3 solution from a 15.9 M stock solution, then _____mL if the 15.9 M stock HNO3 solution is needed.

M1V2=M2V2, solve for V2.
(0.100M * 250mL)/ 15.9M = 1.6mL

V2-V1=V
1.6mL-250= -248.4

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