Which of the following is more concentrated?
(A)0.5%kCl in 1Lwater
(B)0.5ppm kCl in 1L water
(C)0.5ppb kCl in 1L water
(D)ALL are the same
1 answer
I don't understand the problem.
(A)0.5%kCl in 1Lwater
(B)0.5ppm kCl in 1L water
(C)0.5ppb kCl in 1L water
(D)ALL are the same
1 answer
0 answers
2 answers
1 answer
2 answers