The pH of a solution is given by pH = -log x, where x represents
the concentration of the hydrogen ions in the solution,
in moles per liter.
Express answers in powers of 10
1. What is the hydrogen ion concentration of lemon juice.
2. What is the hydrogen ion concentration of the most acidic stomach?
3. How many times greater is the hydrogen ion concentration of the acidic stomach in item 2 than the lemon juice in item 1?
The expert examines exponential and logarithmic functions.