Question

You have NaCl NH4Cl. Choose the method to seperate them

Answer 1

I dont know what to do, do I lower the temperature until one of the preipitates out?

Or do I add another substance that would form preipitate wth them?

Answer 2

you are right, you manipulate temperature and precipitate wanted compound, and here is why:
http://www.saskschools.ca/curr_content/chem30_05/graphics/4_graphics/sol_curve.jpg

Answer 3

other than temperature you can manipulate pressure to get what you want but in this case it doesn't pay off...

Answer 4

Thank you!:)