Question

If 7.0 moles of Y is placed in a container and allowed toreact with X until equilibrium is reched according to thereaction :2X+Y2ZIt is found that the equilibrium mixture contains 8.0 molesof X and 5.0 moles of Y. How many moles of X werepresent in the original container ?(a) 10(b) 12(c) 14(d) 16​

Answer 1

Answer:

option 12 I. e b is correct