Urea (CH4N2O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH3) with carbon dioxide as follows: 2NH3(aq)+CO2(aq)→CH4N2O(aq)+H2O(l)In an industrial synthesis of urea, a chemist combines 137.2 kg of ammonia with 211.4 kg of carbon dioxide and obtains 164.6 kg of urea. What is the theoretical yield in kilograms?
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A: The given equations can be numbered as 1, 2 and 3 as given below:
Q: 5 & 6
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A: The resonance structures of formate ion is shown as follows: