Chemistry
10.47 g of a compound contains 6.25 g of metal A and rest non-metal B. Calculate the empirical formula of the compound (At. wt of A = 207, B = 35.5)
Mole Concept
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Answer
| Element | % composition | At. wt. | Relative no. of atoms | Simplest ratio |
|---|---|---|---|---|
| Metal A | 6.25 | 207 | = 0.03 | = 1 |
| Non-metal B | 4.22 | 35.5 | = 0.11 | = 3.96 = 4 |
Simplest ratio of whole numbers = A : B = 1 : 4
Hence, empirical formula is AB4
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