The hydronium ion concentration in coffee is 1 x 10^-5 M. What is the pH of coffee?
pH = -log(H^+)
pH= -log(H+)=5 Yep, it is acid, it rots your teeth
The only difference is that lemon juice rots teeth faster since it is about 1000 times stronger.
True because I did learn that the lower the pH the more acidic it is.
To find the pH of a solution, we can use the formula:
pH = -log[H3O+]
Given that the hydronium ion concentration ([H3O+]) in coffee is 1 x 10^-5 M, we can substitute this value into the formula:
pH = -log(1 x 10^-5)
To calculate this using a scientific calculator or work it out manually, follow the steps:
Step 1: Take the negative logarithm (base 10) of 1 x 10^-5.
-log(1 x 10^-5) = -log(0.00001)
Step 2: Simplify the value. The logarithm of 0.00001 is -5.
-log(0.00001) = 5
Therefore, the pH of coffee is 5.