Saved Bookmarks
| 1. |
Calculate the mass percentage of oxygen in CaCO3 . |
|
Answer» Molecular mass of CaCO3 = 100 g mol-1 Mass of oxygen in 100 g CaCO3 =3 × 16 g = 48 g Percentage of oxygen in CaCO3 = \(\frac{48}{100}\times 100\) = 48% |
|