Of the following, a 0.2 M aqueous solution of ________ will have ...

[urbanoutfitters]

Of the following, a 0.2 M aqueous solution of ________ will have the highest freezing point.
 
  A) RbBr
  B) K2SO4
  C) Sr(NO3)2
  D) (NH4)2SO4
  E) Fe(NO3)2

Question 2

The beta decay of cesium-137 has a half-life of 30.0 years. How many years must pass to reduce a 30 mg sample of cesium 137 to 5.2 mg?
 
  A) 76 years
  B) -76 years
  C) 38 years
  D) 0.040 years
  E) 25 years

[matt95]

Answer to Question 1

A

Answer to Question 2

A

[urbanoutfitters]

YES! Correct, THANKS for helping me on my review

[xiazhe]

Thanks for the timely response, appreciate it