Analysis of a 12.04 gm sample of a liquid compound composed of carbon,hydrogen and nitrogen showed it to contain 7.34 gm carbon,1.85 gm hydrogen and 2.85 gm nitrogen.What is the percent composition of this compound?
Answers
Answer:
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Explanation:
Analysis of a 12.04-g sample of a liquid compound composed of carbon, hydrogen, and nitrogen showed it to contain 7.34 g C, 1.85 g H, and 2.85 g N. What is the percent composition of this compound?
Solution
To calculate percent composition, we divide the experimentally derived mass of each element by the overall mass of the compound, and then convert to a percentage:
%C= 12.04g compound
7.34g C ×100%=61.0%
%H= 12.04g compound
1.85g H ×100%=15.4%
%N= 12.04g compound
2.85g N ×100%=23.7%
The analysis results indicate that the compound is 61.0% C, 15.4% H, and 23.7% N by mass.
Solution:
To calculate percent composition, we divide the experimentally derived mass of each element by the overall mass of the compound, and then convert to a percentage:
%C= 12.04g compound
7.34g C ×100%= 61.0%
%H= 12.04g compound
1.85g H ×100%= 15.4%
%N= 12.04g compound
2.85g N ×100%= 23.7%
The analysis results indicate that the compound is 61.0% C, 15.4% H, and 23.7% N by mass.