At this temperature, 0.400 mol of h2 and 0.400 mol of i2 were placed in a 1.00-l container to react. what concentration of hi is present at equilibrium?

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Chemistry

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5 September, 03:35

At this temperature, 0.400 mol of h2 and 0.400 mol of i2 were placed in a 1.00-l container to react. what concentration of hi is present at equilibrium?

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Andrea · Answer 1

Kc = [HI]² / {[H2] [I2]}

53.3 = (2x) ² / { (0.400M - x) (0.400M - x) }

sqrt (53.3) = 2x / (0.400M - x)

2.92 - 7.30x = 2x

x = 0.314M

[HI] = 2x = 0.628M