A chemical compound has the following per cent composition: C, 75.0 %; H, 5.00 ...
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A chemical compound has the following per cent composition: C, 75.0 %; H, 5.00 %; O, 20.0 %. Calculate its empirical formula.
Do not use spaces or subscripts. For example, C6H12O6 is written as C6H12O6.
| Empirical formula: |
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Knowing that 10.0 g of the previous compound, dissolved in 390 g of carbon tetrachloride (K ), lowers the freezing point of the solution by 4.80 °C, calculate its molecular formula.
| Molecular formula: |
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