A 34.01-g sample of pure hydrogen peroxide produced at a chemical company contains 32.00 g of oxygen.

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A 34.01-g sample of pure hydrogen peroxide produced at a chemical company contains 32.00 g of oxygen. The rest of the mass is due to hydrogen.

(a) What is the percent by mass of oxygen and hydrogen in this sample?

(b) Another company also produces pure hydrogen peroxide. What is the percent by mass hydrogen and oxygen in its hydrogen peroxide? What chemical law allowed you to answer this question?

(c) A 91.83-g sample of pure hydrogen peroxide is obtained. How many grams of it are oxygen?

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Related Book For  answer-question

Introductory Chemistry Atoms First

ISBN: 9780321927118

5th Edition

Authors: Steve Russo And Michael Silver

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