JAMB - Chemistry (2020 - No. 26)
A gaseous metallic chloride MCl consists of 20.22% of M by mass. The formula of the chloride is?
[ M = 27, Cl = 35.5]
MCl
MCl\(_2\)
MCl\(_3\)
M\(_2\)Cl\(_6\)
Explanation
| M | Cl | |
| % composition | 20.22 | 79.78 |
| Atomic mass | 27 | 35.5 |
| Mole ratio | 20.22 | 79.78 |
| 27 | 35.5 | |
| 0.75 | 2.25 | |
| Divided | 0.75 | 0.75 |
| 1 | 3 |
The formula of the Chloride = MCl\(_3\)
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