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Problem: Hydrazine, N2H4, is an oily liquid used as a rocket fuel. It can be prepared in water by oxidizing ammonia with hypochlorite ions:2 NH3(g) + ClO−(aq) → N2H4(aq) + Cl−(aq) + H2O(l)When 35.0 g of ammonia reacted with excess hypochlorite ion, 25.2 g of hydrazine was produced. What is the percent yield of hydrazine?(A) 76.5% (B) 68.3% (C) 17.1% (D) 19.1% (E) 72.0%

FREE Expert Solution

Use stoichiometry to determine the theoretical yield from 35 g NH3 and eventually the percent yield for hydrazine

Recall that percent yield is given by:

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Problem Details

Hydrazine, N2H4, is an oily liquid used as a rocket fuel. It can be prepared in water by oxidizing ammonia with hypochlorite ions:

2 NH3(g) + ClO(aq) → N2H4(aq) + Cl(aq) + H2O(l)

When 35.0 g of ammonia reacted with excess hypochlorite ion, 25.2 g of hydrazine was produced. What is the percent yield of hydrazine?

(A) 76.5% 

(B) 68.3% 

(C) 17.1% 

(D) 19.1% 

(E) 72.0%

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