need help on my exam

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what is the molecular formula of a compound that contain 42,87% carbon, 3.598% hydrogen, 25% nitrogen and 28.55% oxygen and has a molar mass between 2010 and 2020?

Jul 30th, 2015

Thank you for the opportunity to help you with your question!

percentage composition of the moleculer= 42%+3.598%+25%+28.55%

99.148%

the molar mass =2020-2010=20

thus the molecular formulaer is 99.148*10=991.48

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 30th, 2015

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