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label Chemistry
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 particular temperature, K = 1.00×102 reaction.

experiment,temperature, 1.90 mol of H2 and 1.90 mol of F2  introduced  1.25-L flask and allowed react.  equilibrium, all species remain  gas phase.What's equilibrium concentration (in mol/L) of HF?

Feb 2nd, 2015

H2+F2====2HF

So 1.90 moles of H2 will complete react with 1.90 moles of F2 and produce 1.90*2=3.80 moles of HF

Therefore the equilibrium concentration of HF=3.80/1.25=3.04 mol/L

Feb 2nd, 2015

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Feb 2nd, 2015
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