| 21. | There are a number of empirical formulas used to estimate the value of constrictivity.
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| 22. | This reciprocal behavior between amplitude and frequency has been described by the empirical formula:
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| 23. | Its empirical formula is C 14 H 11 NO 5.
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| 24. | In 1907 Zaleski published an empirical formula of mesoporphyrin.
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| 25. | The mineral chromite is an iron chromium oxide with empirical formula FeCr 2 O 4.
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| 26. | It can be calculated for any compound using its empirical formula or its chemical formula
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| 27. | Formaldehyde and acetic acid have the same empirical formula,.
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| 28. | What is the difference between the formula unit and the empirical formula for ionic compounds?
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| 29. | However later investigations yielded a new empirical formula which had no relation to the dravite.
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| 30. | Although charcoal's chemical formula varies, it can be summed up by its empirical formula : "'
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