Consider the equilibrium system described by he chemical reaction below. For this reaction,

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Question 18 of 25
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Consider the equilibrium system described by
the chemical reaction below. For this reaction,
Kc = 2.1 x 10³ at a certain temperature. If the
equilibrium concentrations of H2 and F2 are
both 0.0021 M, determine the concentration
of HF at equilibrium.
H2(g) + F2(g) = 2 HF(g)
1
2
If [x] represents the equilibrium concentration
of HF, set up the equilibrium expression for Kc
to solve for the concentration. Do not combine
or simplify terms..
Ko =
= 2.1 x 103
5 RESET
[0]
[0.0021]
2[0.0021]
[x]
[2x]
[x]?
[2x]?
[0.0011]
2[0.0011]
[0.0011]?
Transcribed Image Text:2:25 1 Question 18 of 25 Submit Consider the equilibrium system described by the chemical reaction below. For this reaction, Kc = 2.1 x 10³ at a certain temperature. If the equilibrium concentrations of H2 and F2 are both 0.0021 M, determine the concentration of HF at equilibrium. H2(g) + F2(g) = 2 HF(g) 1 2 If [x] represents the equilibrium concentration of HF, set up the equilibrium expression for Kc to solve for the concentration. Do not combine or simplify terms.. Ko = = 2.1 x 103 5 RESET [0] [0.0021] 2[0.0021] [x] [2x] [x]? [2x]? [0.0011] 2[0.0011] [0.0011]?
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