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How many moles of \rm CaC_2O_4 are present in this kidney stone?

  • chemsitry -

    The equilibrium constant, Kc, for the following system is 24.4.
    H2(g) + X2(g) 2 HX(g)

    At equilibrium, a system contains 0.200 moles of X2 and 0.600 moles of HX in a 4 × 10–3 m3 container. Calculate the number of moles of H2(g) present at equilibrium.


    Select one:


    a. 0.059 mol

    b. 0.074 mol

    c. 0.0123 mol

    d. 0.295 mol

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