Homework Help: Chemistry

Posted by Tree Frog on Sunday, February 15, 2009 at 9:23pm.

A sample of conc. nitric acid has a density of 1.41g/ml and contains 70% HNO3 by mass.
What mass of HNO3 is present per L of solution?
What is the molarity?

Chemistry - bobpursley, Sunday, February 15, 2009 at 9:28pm
Assume 1 liter. then mass of acid is .7*1.41*1000, and from that calculate moles acid
Volume is 1liter,

molarity=molesacid/1

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