Water Melon

Hi, I'm having trouble solving this worksheet. FYI, I'm in grade 11 AP chem. Cr2O7(2-) + 14H(+) + 3C2O4(2-) --> 2Cr(3+) + 7H2O + 6CO2 a) suggest two methods to measure the rate of this reaction. For this question I said, method 1) reactions that produce a...