Thanks for the suggestion. The bottle was purchased and opened for the first time a little over a year ago and has been in a sealed, clear, plastic bottle in a dark cabinet in a warm climate. I also thought about it decomposing a bit, but find it hard to believe that it dropped from 30% all the...
Hi all,
Trying to get this titration working correctly and for the life of me, I can't figure out where my error is. This is what I have:
Burette contains 0.01M KMnO4 (I'm positive that my error does not come from preparing this - 0.4g in 250ml of water, with a molar mass of 158g/mol...