Answer:
The equilibrium concentration of NO in the gas mixture should be 0.578 M
Explanation:
We have equilibrium data for the chemical reaction in the gas phase:
SO2(g)+NO2(g)⇌NO(g) +SO3(g)
The equilibrium constant (Keq) for this reaction is 10.8.
Data for the components involved in this equilibrium are:
[SO3] = 1.7 M
[NO] = Unknown
[NO2] = 1.3 M
[SO2] = 0.07 M
We can express the Equilibrium constant as the multiplication of the concentrations of products divided by the multiplication of the concentration of reagents. After that, we can isolate [NO] concentration and find its value.
Replacing the values given in the problem
Finally, the equlibrium concentration is [NO] = 0.578 M