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April 23, 2014

Homework Help: Chemistry

Posted by S on Tuesday, January 24, 2012 at 4:08pm.

An aqueous solution is 8.50% ammonium chloride, NH4Cl, by mass. The density of the solution is 1.024g/mL. Calculate the molality, mole fraction, and molarity of NH4Cl in the solution.

I know the formulas needed but I'm not sure where to start.

M = moles solute/1 L solution

m = moles solute/1 kg solvent

x = moles solute/total moles of solution

Can I have some help please with where to get started on this problem? :) Thanks!

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