You have 75.0 mL of a 2.50 M solution of Na2CrO4 (aq). You also have 125 mL of a 2.15 M solution of AgNO3 (aq). Calculate the concentration of NO3 when the two solutions are added together.

Answer 1

John, I posted a response to your question under your other screen names of Sarah. I've told you before that it is better to use the same screen name. We can help you better if you don't change screen names with every post; apparently you don't believe that since you've been doing this forever.