I need question number 2 to be answered. i dont understand it

1. Use the following data to calculate the equilibrium constant for the cobalt chloride system. Show all work. 2. Use Excel 8 to plot the percent distribution of [Co(H2O)6]2+ and [CoCl4]2 as a function of [HCl0 from the data in Question 1. Show your calculations. 1. Use the following data to calculate the equilibrium constant for the cobalt chloride system. Show all work. 2. Use Excel 8 to plot the percent distribution of [Co(H2O)6]2+ and [CoCl4]2 as a function of [HCl0 from the data in Question 1. Show your calculations