Chemistry
In an Experiment, 6.21 g of lead is combined with 4.26 g of chlorine. What is the empirical formula of the resulting compound?
Mole Concept
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Answer
| Element | Mass (g) | Atomic mass | Moles | Simplest ratio |
|---|---|---|---|---|
| Pb | 6.21 | 207 | = 0.03 | = 1 |
| Cl | 4.26 | 35.5 | = 0.12 | = 4 |
Simplest ratio of whole numbers Pb : Cl = 1 : 4
Hence, empirical formula is PbCl4
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