If an equilibrium mixture of the three gases in a 5.0L container at 298K contains 0.304mol of NOBr gas and 0.401mol of Br2 gas, what is the equilibrium concentration of NO?

If an equilibrium mixture of the three gases in a 5.0L container at 298K contains 0.304mol of NOBr gas and 0.401mol of Br2 gas, what is the equilibrium concentration of NO?

The equilibrium constant, K, for the following reaction is 6.50 x 10-3 at 298K

2NOBr(g) 2NO(g) + Br2(g)

If an equilibrium mixture of the three gases in a 5.0L container at 298K contains 0.304mol of NOBr gas and 0.401mol of Br2 gas, what is the equilibrium concentration of NO?



a. 6.14 x 10^-2 M
b. 3.74 x 10^-3 M
c. 4.93 x 10^-3 M
d. 1.73 x 10^-2 M
e. 3.00 x 10^-4 M


Answer: d. 1.73 x 10^-2 M


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