Saved Bookmarks
| 1. |
10 g of a mixture of CaCl2 and NaCl is treated to precipitate all the calcium as CaCO3. This CaCO3 is heated to convert all the Ca to CaO and the final mass of CaO is 1.68 g. The percentage by mass of CaCl2 in the original mixture is what? |
|
Answer» The reactions are: 1 mole of CaO is formed from 1 mole CaCO3 |
|