Question

The equation for the pH of a substance is pH = –log[H+], where H+ is the concentration of hydrogen ions. A basic solution has a pH of 11.2. An acidic solution has a pH of 2.4. What is the approximate difference in the concentration of hydrogen ions between the two solutions?

1.6*10^-9

4.0*10^-3

6.7*10^-1

1.6*10^11

Answer 1

Answer:

The pH scale is used to rank solutions in terms of how acidic or how basic they are. It indicates the concentration of hydrogen ions (H+) and hydroxide ions (OH-) in a solution. These ion concentrations are equal in pure water, which has a pH of 7.

pH scale showing bleach (12.6), baking soda (9), blood (7.3), and lemon juice (2)

pH scale showing bleach (12.6), baking soda (9), blood (7.3), and lemon juice (2)

This pH value of 7 is important because it indicates a neutral solution. All other substances are compared to this neutral point. Any solution that has a pH of less than 7 is considered acidic, and anything above a pH of 7 is basic.

Answer 2

Step-by-step explanation:

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