

MCQOPTIONS
Saved Bookmarks
1. |
What are the number of molecules of water in CuSO4•5H2O, if the weight of oxygen in it is 36 grams? |
A. | 3.25 X 1023 |
B. | 5.25 X 1023 |
C. | 7.52 X 1023 |
D. | 9.52 X 1023 |
Answer» D. 9.52 X 1023 | |