Question

The pH of a liquid is a measure of how acidic or basic it is. The concentration of hydrogen ions in a liquid is labeled [H+]. Use the formula pH = –log[H+] to find the pH level, to the nearest tenth, of a liquid with [H+] about 5.4 x 10–14.
A. 14.7
B. 13.3
C. 14.0
D. -14.7

Answer 1

pH = -log(5.4*10^-14)
= -log 5.4 + 14
= 14 - .732
= 13.268
Looks like (B)

Answer 2

The pH of a juice drink is 3.8. Find the concentration of hydrogen ions in the drink.
A) 3.8
B) 10^-3.8
C) 1.6×10^4
D) 1.6×10^-4

Answer 3

Just in case others are looking for the question just like this one:

The pH of a liquid is a measure of how acidic or basic it is. The concentration of hydrogen ions in a liquid is labeled [H+]. Use the formula pH = –log[H+] to find the pH level, to the nearest tenth, of a liquid with [H+] about 4.3x10^-14.

pH = -log(4.3 x 10^-14)
pH = -log(4.3) + 14
pH = 13.36 = 13.4

Answer: 13.4

Answer 4

Your Angel from ABOVE, thank you so much 🥺

Answer 5

2. Some investments in the stock market have earned 10% annually. At this rate, earnings can be found using the formula A = P(1.10)^n, where A is the total value of the investment, P is the initial value of the investment, and n is the number of years the money is invested. If $1,500 is invested in the stock market at this annual rate of return, what is the expected total value after 18 years?

C 8,339.88


3. The pH of a liquid is a measure of how acidic or basic it is. The concentration of hydrogen ions in a liquid is labeled [H+]. Use the formula pH = –log[H+] to find the pH level, to the nearest tenth, of a liquid with [H+] about 5.4 x 10^–14.

B. 13.3