Chemistry, 05.06.2020 23:01 kingswriters3250

If a buffer system containing hydrofluoric acid and fluoride (pKa = 3.17) initially has a pH of 3.22 and base is added until a new pH of 4.69 is obtained, how has the ratio of fluoride to hydrofluoric acid changed? A.
from 1.12 : 1 to 33.1 : 1
B.
from 1 : 1.12 to 33.1 : 1
C.
from 1 : 1.12 to 1 : 33.1
D.
from 1.12 : 1 to 1 : 33.1

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 00:00

Acurium-245 nucleus is hit with a neutron and changes as shown by the equation. complete the equation by filling in the missing parts. 52

Answers: 2

Answer

Chemistry, 22.06.2019 00:00

Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating

Answers: 1

Answer

Chemistry, 22.06.2019 09:50

What are four significant sources of ghgs that come from wostem washington?

Answers: 2

Answer

Chemistry, 22.06.2019 15:00

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

Answers: 2

Answer

You know the right answer?

If a buffer system containing hydrofluoric acid and fluoride (pKa = 3.17) initially has a pH of 3.22...

Questions