Kevlar is the high-strength polymer material. It has the following composition: 70.58% carbon, 11.76% nitrogen, 4.23% hydrogen, and 13.43% oxygen. Calculate the empirical formula for Kevlar. (Enter the elements in the order: C, H, N, O.)

Q: A compound contains 36.68 %C, 2.309 %H, and 61.01 %Br (by mass). Determine the empirical formula of…

A: Element C H Br Mass % 36.68 2.309 61.01 moles 36.6812 2.3091 61.0180 simple ratio of moles 4 3…

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Q: What is the formula for the compound ?

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