Solution A is made with 10.00 grams of NaCl in 500.0 grams of water. Solution B is made with 10.00 grams of Al2(SO4)3 in 500.0 grams of water. Which solution will show a greater change in boiling point?

Could you please explain how to get this step-by-step?

Question

Solution A is made with 10.00 grams of NaCl in 500.0 grams of water.  Solution B is made with 10.00 grams of Al2(SO4)3 in 500.0 grams of water.  Which solution will show a greater change in boiling point? 

Could you please explain how to get this step-by-step?

aaronq · Answer

Substitute each case into the boiling point elevation formula

$$\Delta T = i T _{b}m$$

the one that shows a larger change in temperature (delta T) is the one that shows a greater change in boiling point.

anonymous · Answer

I'm sorry, I still do not understand how to do this problem.

jfraser · Answer

turn those grams into moles first