Which sentence correctly compares two solutions that differ by one unit of
pH?
O
A. The acidity of the two solutions cannot be compared using the pH
scale.
O
B. The acidity of the two solutions is the same.
C. The acidity of one solution is 10 times greater than the acidity of
the other.
D. The acidity of one solution is one unit greater than the acidity of
the other.
