What is the percent by mass of chlorine in nacl? 35.45% 39.34% 60.66% 70.90%

C. 60.66%

Explanation:

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

24

c) should be the answer.