Question

For the reaction of the ammonium ion with nitrous acid, the net reaction is
NH4+(aq) + HNO2(aq) → N2(g) + 2H2O(l) + H+(aq)
If the initial concentration of nitrous acid is 1.00 Mand, after 28.8 s has elapsed, the concentration of nitrous acid has fallen to 0.82 M, what is the average rate of the reaction over this time interval?
A) 0.0063 M/s
B) 0.028 M/s
C) -0.0063 M/s
D) -0.028 M/s
E) 0.063 M/s

Answer

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