Author Question: Of the following, a 0.2 M aqueous solution of ________ will have the highest freezing point. A) ... (Read 43 times)

urbanoutfitters · **on:** Aug 27, 2018

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