145,584 views
28 votes
28 votes
what mass of nacl(s) (mw 58.44) would have to be added to 800 ml of water so that the resulting solution has the same freezing point as the cucl2(aq) solution described above? assume ideal solutions. enter the mass of nacl(s) in g. (round to 1 decimal place.) (do not enter units.)

User Jin Nii Sama
by
2.5k points

1 Answer

16 votes
16 votes

Answer:

11.7 g

Step-by-step explanation:

The freezing point of a solution is lowered by the addition of solute particles. In order to have the same effect on freezing point as the CuCl2 solution, 11.7g of NaCL must be added.

User MFlamer
by
2.8k points