Chemistry, 13.12.2020 04:20 lalaboooobooo
Ocument
10.
A buffer solution is based on methanoic acid, HCOOH (K = 1.70 x 10-4 mol dm3) and
methanoate ions, HCOO-.
I
In the buffer solution, the HCOOH concentration is half the HCOO-concentration.
What is the pH of the buffer solution?
A. 2.47
B. 3.07
C. 3.47
D. 4.07
Your answer
[1]
Answers: 2
Chemistry, 22.06.2019 13:00
Adepositional also feature that forms where a stream enters a lake or an ocean is a
Answers: 2
Chemistry, 23.06.2019 17:00
Achemist tests new mixtures for paint samples and decides one mixture's stickiness makes it worthless. a scientist working in a nearby lab suggests a different use for this sticky mixture. which statement best describes this situation?
Answers: 1
Chemistry, 23.06.2019 17:20
Which determines the state of matter for any material? a. the size of the atoms b. the hardness of the material c. the behavior of the molecules d. the weight of the material b. fixed volume, takes the shape of its container c. completely fills its container, definite shape d. completely fills its container, takes the shape of its container
Answers: 1
Ocument
10.
A buffer solution is based on methanoic acid, HCOOH (K = 1.70 x 10-4 mol dm3) and...
A buffer solution is based on methanoic acid, HCOOH (K = 1.70 x 10-4 mol dm3) and...
Mathematics, 04.06.2021 16:30
English, 04.06.2021 16:30
Mathematics, 04.06.2021 16:30
Mathematics, 04.06.2021 16:30
Mathematics, 04.06.2021 16:30
Mathematics, 04.06.2021 16:30
History, 04.06.2021 16:30
Mathematics, 04.06.2021 16:30
History, 04.06.2021 16:30
Mathematics, 04.06.2021 16:40
Mathematics, 04.06.2021 16:40
English, 04.06.2021 16:40