Consider the following reaction: 2 HgCl2(aq) + C2O42-(aq)  2 Cl-(aq) + 2 CO2(g) + Hg2Cl2(s)   (b) If the rate constant for this reaction at a certain temperature is 0.0158, what is the reaction rate when [HgCl2(aq)] = 0.186 M and [C2O42-(aq)] = 0.228 M? Rate =   ____ M/s. (c) What is the reaction rate when the concentration of HgCl2(aq) is doubled, to 0.372 M while the concentration of C2O42-(aq) is 0.228 M?

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