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General Chemistry : Law of multiple proportions problem 3 compounds

Spirochete
in Homework Help

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Here's a general chemistry problem and my answer. Would anybody mind checking it? Thanks in advance.

 

3 Compounds have the following mass ratios of Oxygen:Nitrogen

 

A) 1.143 g oxygen:1 g Nitrogen

B) 2.286 g oxygen: 1 g Nitrogen

C) 2.857 g oxygen: 1 g Nitrogen

 

Show that these compounds obey the law of multiple proportions. To do this I compared the three compounds to each other. My answer is:

 

A:B = 1.143 g O:2.286 g O = 0.5:1 = 1:2

A:C = 1.143:2.857 = 0.4:1 = 2:5

B:C = 2.286:2.857 = 0.8:1 = 4:5

 

This whole process seems so sketchy and I was hoping somebody could check this for me. Thanks

Edited by Spirochete

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