Asked by Ann

What is the percent KCL by mass in a 3.00 molal solution?

Answers

Answered by DrBob222
3m = 3 mols KCl/1 kg solvent
1 mol KCl = estimated 74.5 but you should be more accurate than that.
3*74.5 = about 223g.
So that is about 223g/223+1000 = 223g/1223 g solution
% KCl w/w = (223/1223)*100 = >
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