1. The gas, xenon, is found in dry air at sea level at a concentration of 0.0800 ppm. At a pressure of 745 mm Hg and a temperature of 3.31 °C, dry air contains about 2.71×1013 million molecules per cm3. The number of grams of xenon found in 1 cm3 of dry air at this temperature and pressure is ______ grams.2. The gas, carbon monoxide, is found in dry air at sea level at a concentration of 1.00×10-5 percent by volume. What is the concentration of CO expressed in ppm? _____ppm

Here concentration = 0.08 ppm 1 ppm = 1 molecule of solute / 1 million molecule of solution 0.08 ppm…

Answered: The gas, xenon, is found in dry air at…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter3: Chemical Reactions

Section: Chapter Questions

Problem 65QRT

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1. The gas, xenon, is found in dry air at sea level at a concentration of 0.0800 ppm. At a pressure of 745 mm Hg and a temperature of 3.31 °C, dry air contains about 2.71×10¹³ million molecules per cm³. The number of grams of xenon found in 1 cm³ of dry air at this temperature and pressure is ______ grams.

2. The gas, carbon monoxide, is found in dry air at sea level at a concentration of 1.00×10^-5 percent by volume. What is the concentration of CO expressed in ppm? _____ppm

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