how many formula units are in 3.6 grams of nacl?

3.914 x 10^22 formula units

Explanation:

number of moles of NaCl = 3.8g/58.5g/mol = 0.065 moles

Formula units of NaCl = 0.065 x 6.022 x 10^23 = 3.914 x 10^22

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

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