[BARAJAN]

hi guys
I have a solution of LiBr and a solution of Li2CrO4 I want to determine the weight concentration% for each solution, how I should calculate the amount of solvated salts for each solution?
thanks for your help

[Hunter2]

Do you know the the amount of each salt? Either in g or mol.

[BARAJAN]

Do you know the the amount of each salt? Either in g or mol.

unfortunately no , I have heard there must be a reaction or something like titration to determine the amount of solvated salts but I don't know which reaction?

[Borek]

Bromides can be determined by Mohr method:

http://www.titrations.info/precipitation-titration-argentometry-chlorides-Mohr

Chromate can be determined by some redox titration, for example oxidation of Fe²⁺ solution. I don't have exact procedure at hand, but you should be able to find it in any reasonably serious classical analytical chemistry book.