lemon juice has a pH level of 2 but milk has a pH level of 6 how does the concentration of hydrogen ions in lemon juice compared to the concentration of hydrogen ions in milk?

a) milk has about 1/3 as many hydrogen ions as lemon juice

b) lemon juice has four times more hydrogen ions than milk.

c) lemon juice has about 10,000 times more hydrogen ions than milk.

d) lemon juice is about three times more hydrogen ions than lemon juice. ​