Question: please write out the steps so I can understand how to get the answer on my own. thanks! A grad student prepared 200 ml of

please write out the steps so I can understand how to get the answer on my own. thanks!

A grad student prepared 200 ml of a 1 ml NaCl solution. You add an extra 18.8 mg of MgCl, to the solution What is the new Cl' concentration in M and ppm? The MW of Na, Cl, and Mg is 23.35, and 24 g/mol respectively. Question 2 (1pt) The pH of the mine tailing drainage from the Iron Mountain Mine in California has been as low as -3,6 in the past. Calculate the concentration of [H'] of one of the most acidic waters found "naturally" on earth. Question 3 (3pts) What are the oxidation numbers of the individual elements in the following compounds? CO, Fe(OH), Pb (POA), Question 4 (3pts) Two chemical equations have the following equilibrium constants: 1) A 2E + 2F K,= 10 2) 0.5X - E+ F K, = 10 What is the equilibrium constant of the equilibrium equation A -X? Question 5 (3pts) You dissolve 0.2 M of compound A in pure water. After a day compound A reached equilibrium with its product compound X. Calculate the equilibrium concentrations of A and X. Hint: You need a mass balance equation

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