Diet Cola Drinks Have a PH of About 3

Multiple Choice

Diet cola drinks have a pH of about 3.0, while milk has a pH of about 7.0. How many times greater is the H₃O⁺ concentration in diet cola than in milk

A) 2.3 times higher in diet cola than in milk
B) 400 times higher in diet cola than in milk
C) 0.43 times higher in diet cola than in milk
D) 1,000 times higher in diet cola than in milk
E) 10,000 times higher in diet cola than in milk