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A mixture of 0.20 mol H2 and 0.40 molI2 was placed in a 2.00-L stainless-steel flask at400°C. The equilibriumconstant Kc for the reactionH2(g) + I2(g) ↔2HI(g) is 15.0 at this temperature. Calculate theconcentration of HI in molarity (M) at equilibrium.Select one:a. 0.189b. 0.217c. 0.195d. 0.168e. 0.203
Balance the following redox reaction in base:1) Cr2O7^2- + Hg → Hg2+ + Cr3+2) Pb2+ + IO3- → PbO2 + I2