If an atom of zinc has a mass of 64 it has how many neutrons

no of neutron = atomic mass - atomic number

here
atomic mass = 64
atomic number = 30

no of neutron = 64−30

no of neutron = 34

hurricanes form in warm water

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