Homework Help: College Chemistry

Posted by Anonymous on Thursday, February 3, 2011 at 7:46pm.

A solution of sulfuric acid is 40.0% by mass and it has a density of 1.30g/mL, what is the molarity of the solution?

College Chemistry - bobpursley, Thursday, February 3, 2011 at 8:19pm
assume on liter...

mass=1300g, of which 1300*.4 is H2SO4

Molarity= 1300*.4/molmassH2SO4*1
College Chemistry - Darcy H, Thursday, February 3, 2011 at 9:11pm
0.4g H2SO4/1g solution X 1.30g solution/ 1mL solution X 1 mol H2SO4/98.09 g H2SO4 X 1000mL/1L=5.3 M

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