Fertilizer calcium cyanamide reacts with water forming calcium carbonate and releasing ammonia gas according to the following (non-balanced) equation:                                                                       CaCN2(s)  +  H2O => CaCO3(s)  +   NH3(g) From 7.70 g of CaCN2, by this reaction, 3.10 L of ammonia gas were collected at standard temperature & pressure. What was the percent yield of this process? (A)  40%                         (B)   67%                        (C)   83%                                   (D) 93% (E)   None of those. If so what is your answer?

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Fertilizer calcium cyanamide reacts with water forming calcium carbonate and releasing ammonia gas according to the following (non-balanced) equation:                           
                                           CaCN2(s)  +  H2O => CaCO3(s)  +   NH3(g)
From 7.70 g of CaCN2, by this reaction, 3.10 L of ammonia gas were collected at standard temperature & pressure. What was the percent yield of this process?

(A)  40%                         (B)   67%                        (C)   83%                                   (D) 93%
(E)   None of those. If so what is your answer?

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