No one answered the first question properly. To get a 10% solution of KBr you mix, say 50 grams of KBr to 450 cc of water. Then you add water to 500 cc. If you mix 50 grams to 500cc of water you will not have a 10% solution.
Printing problems. RPippin, I wonder why you did not post this on the Azo Forum. I could have answered your questions, solved your problems, very quickly.
But you can trust what c6h6o3 writes. He makes the most beautiful prints.
Michael A. Smith