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If a urea (NH2CONH2) contains 45% (by mass) N2, what is the actual urea content in the sample?

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MCQs on solutions types and concentration, solubility solutions, liquid solutions vapour pressure, ideal and non ideal solutions, abnormal molar masses, colligative properties and molar mass determination.
 


If a urea (NH<sub>2</sub>CONH<sub>2</sub>) contains 45% (by mass) N<sub>2</sub>, what is the actual urea content in the sample?






 
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