please show me step by step how to do this so i can figure out the rest

We add excess Na2CrO4 solution to 42.0 mL
of a solution of silver nitrate (AgNO3) to form
insoluble solid Ag2CrO4. When it has been
dried and weighed, the mass of Ag2CrO4 is
found to be 0.520 grams. What is the molarity
of the AgNO3 solution?
Answer in units of M.

3 answers

nevermind I figured it out!
Then why did you repost the same question above and waste my time showing you exactly how to do it?
Excuse you DrBob222 first of all no one wasted your time secondly you didn't even explain it to me and lastly I don't think I reposted it and if i did it was a mistake. Good day.