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You Wish to Monitor the Progress of a Reaction Using \rightarrow

Question 118

Multiple Choice

You wish to monitor the progress of a reaction using pressures.Suppose 17.06 g of N2 (28.02 g/mol) and 1.228 g of H2 (2.016 g/mol) are initially present in a 20.0 L reaction vessel at 127  You wish to monitor the progress of a reaction using pressures.Suppose 17.06 g of N<sub>2</sub> (28.02 g/mol)  and 1.228 g of H<sub>2</sub> (2.016 g/mol)  are initially present in a 20.0 L reaction vessel at 127   C.Nitrogen and hydrogen can react to form ammonia (17.04 g/mol)  according to the reaction shown.At a given point, the total pressure (the sum of the pressures of N<sub>2</sub>, H<sub>2</sub>, and NH<sub>3</sub> present)  is 1.48 atm.What percentage of the initial N<sub>2</sub> has reacted?  N<sub>2</sub> (g)  =3 H<sub>2</sub> (g)   \rightarrow  2 NH<sub>3</sub> (g)  A) 74.0% B) 26.0% C) 52.0% D) 60.9% E) 15.8% C.Nitrogen and hydrogen can react to form ammonia (17.04 g/mol) according to the reaction shown.At a given point, the total pressure (the sum of the pressures of N2, H2, and NH3 present) is 1.48 atm.What percentage of the initial N2 has reacted?
N2 (g) =3 H2 (g) \rightarrow 2 NH3 (g)


A) 74.0%
B) 26.0%
C) 52.0%
D) 60.9%
E) 15.8%

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