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Unformatted text preview: compound. Step1: CONVERT FROM GRAMS TO MOLES. Step 2: DIVIDE EACH BY THE SMALLEST NUMBER OF MOLES. Example #1 : What is the empirical formula of a compound that is 78.1% boron and 21.9% hydrogen? B : H : Example #2 : Quantitative analysis shows that a compound contains 32.8% sodium, 22.65% sulfur, and 44.99% oxygen. Find the empirical formula of this compound. Na : S : O : Example #3 : Quantitative analysis shows that a compound contains 28.4% copper and 71.6% bromine. What is the empirical formula of the compound?...
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- Fall '08
- Chemistry, Chemical element, 21.9%