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File Edit View History Bookmarks Window Help digital Digital Resources for Chemistry Alegheny Sakal:CHEM 120 00 18/SP Resources 66% 01/28/18 Homework 1 This is a Numeric Entry question/It is worth 1 point/You have unlimited attempts/Ther 18 Question (1 point) Earth's atmosphere contains many volatile substances that are present in trace amounts. The following quant 1.0 gallon sample of air.Calculate the number of moles of each gas in the sample: 1st attempt Part 1 (0.3 point) 5.080 x 1016 molecules of hydrogen (gas) moles Part 2 (0.3 point) t8 oF 24 QUESTIONS COMPLETED 18-24 >

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