Old Posted: 3/4/2015 11:32:38 AM   #1
 
Join Date: 10/9/2003 6:36:15 PM

Default  Page 287, Question 17

Answer explanation for question 17 should say “The molarity of oxygen is equal to the molarity of the welding gas or any other ideal gas at the same temperature and pressure. Density divided by molecular weight is molarity. Therefore, the ratios of density to molecular weight for oxygen and the welding as can be set equal to each other: 1.1/1.3 = M.W./32. M.W. = 27 g/mol, which is closest to choice B.”
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Old Posted: 10/25/2017 2:19:20 AM   #2
 
Join Date: 4/13/2017 1:00:00 AM

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Old Posted: 10/27/2017 3:20:30 AM   #3
 
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Old Posted: 10/27/2017 11:06:40 AM   #4
 
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Old Posted: 11/13/2017 3:16:11 AM   #5
 
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