Saved Bookmarks
| 1. |
Calculate the number of al3 ions in 0.056 g of al2 o3 |
|
Answer» ar weight of Al2O3 = 102 g.102 g of Al2O3 contains6=.022X1023molecules.0.051g of Al2O3 contain X NUMBER of moleculesX = 0.051 X 6.022X1023 /102 = 0.003 X 1020X = 3 X 10201 molecule of Al2O3 contains – 2 Al+3ions. |
|