Homework help
Posted: Mon Jan 18, 2021 7:24 pm
I have 2 questions on my homework that I have been stuck on for the past few days so I was wondering if anyone here could help. The questions are:
50 ml of a .1 M sodium oxalate solution is titrated with a .2 M potassium permanganate solution to it's endpoint in acid solution. The redox products are manganese +2 ion and caebon dioxide gas. Determine the volume of potassium permanganate required to complete the titration.
AND:
A 300 ml water sample was taken from a stream in Mexico City and analyzed for dissolved oxygen. Using the winkler method, 58.88 ml of 2.42 x 10^-3 M solution thiosulfate titrant was required. Calculate the dissolved oxygen in the water and express this as mg/L.
Any help on either problem would be amazing! Thanks!
50 ml of a .1 M sodium oxalate solution is titrated with a .2 M potassium permanganate solution to it's endpoint in acid solution. The redox products are manganese +2 ion and caebon dioxide gas. Determine the volume of potassium permanganate required to complete the titration.
AND:
A 300 ml water sample was taken from a stream in Mexico City and analyzed for dissolved oxygen. Using the winkler method, 58.88 ml of 2.42 x 10^-3 M solution thiosulfate titrant was required. Calculate the dissolved oxygen in the water and express this as mg/L.
Any help on either problem would be amazing! Thanks!