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December 22, 2014

Homework Help: Chem

Posted by Chem Help!! on Friday, February 8, 2008 at 3:13pm.

In an experiment 16.81 +/- 0.02 grams of hydrogen peroxide chemically decomposes into the products water and oxygen gas. The measured mass of oxygen gas produced in the reaction is 8.854 +/- 0.003 grams. Report the mass of water produced to the correct number of significant digits (Do not perform any calculation involving the estimates of uncertainties in the measurements.)

Is the answer 7.96 grams?? Is it the correct num of sig figs??

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