InterviewSolution
Saved Bookmarks
| 1. |
What mass of O2 is present in 50.0 g CuSO4SH2O(1) 12.8 g(2) 16.0 g(3) 20. 0 g(4) 28.8 g |
|
Answer» = Molar mass of CuSO4*5H2O is 249.6850 = 249.6850 g contains ----- 144 g of O2 = 50 grams contain = 50 * 144 / 249.6850 = 28.8 g. |
|