Posted by Stephen on .
25mL of tartaric acid solution is titrated against 31mL of NH4OH. What is the normality of the NH4OH? Please explain how to work this problem.

chemistry 
DrBob222,
You need to know the molarity of the tartaric acid solution.
mL tar x N tar = mL NH4OH x N NH4OH
Substitute and solve for N NH4OH.