posted by UTramos .
How would u prepare each of the following solutions
100 mL of a 245 ppm solution of urea, CH4N2O, in water
How would u prepare each of the following solution
100 mL of an aqueous solution whose K+ concentration is 0.084 M
Write up the procedure, and I will gladly check it. I assume the ppm is on the basis of w/w