I KNOW HOW TO CALCULATE MOLAR MASS BUT FOR UREA[CO[NH2]2] I CANNOT FIND ANS EXACTLY BECAUSE I DON'T KNOW TO CALCULATE MOLAR MASS FOR [NH2]2] IN UREA.
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Answer:
nitrogen - 14g
hydrogen - 1g
(nh2)2 molar mass is (14 + 2*1)*2 = 32
Explanation:
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