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What is the equilibrium expression for t...

What is the equilibrium expression for the reaction`P_(4)(s)+50_(2)(g)hArrP_(4)O_(10)(s)`

A

`K_c([P_4O_(10)])/([P_4][O_2]^5)`

B

`K_c=1/([O_2]^5)`

C

`K_c=[O_2]^5`

D

`K_c([P_4O_(10)])/(5[P_4][O_2])`

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The correct Answer is:
B
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