February 23, 2017

Homework Help: chemistry

Posted by write2khin on Sunday, May 2, 2010 at 12:47am.

An aqueous solution of Na2SO4 has a molal concentration of 0.293 mol kg-1. Its density is 1.0350 g mL-1.

Calculate the molar concentration of Na2SO4.
----- mol L-1

Calculate the mass percent of Na2SO4 in the solution.
------- %

What is the mole fraction of Na2SO4 in the solution?
How to work out , i cant figure it out

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