Chemistry

Chemistry, 13.04.2021 22:10, janny48

Consider the following acid and bases HCO2H ka = 1.8 x 10^-4 HOBr Ka = 2.0 x 10^-9
(C2H5)2NH kb = 1.3 x 10-3
HONH2 kb = 1.1 x 10^-8
choose sobstances to create ph = 4 buffer solutions:
select all tha apply
HONH3NO3
HOBr
NaOBr
(C2H5)2NH2Cl
(C2H5)2NH
HCO2H
KHCO2
HONH2

answer

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 14:20, Mordred9571

Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.

Answers: 1

Chemistry, 21.06.2019 23:00, TheCat250

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

Answers: 3

Chemistry, 22.06.2019 05:00, YoEsMyles3115

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Answers: 1

Chemistry, 22.06.2019 05:20, ansley81

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

Answers: 3

Do you know the correct answer?

Consider the following acid and bases HCO2H ka = 1.8 x 10^-4 HOBr Ka = 2.0 x 10^-9
(C2H5)2NH...

Questions in other subjects:

Konu

English, 19.10.2019 06:30

What is pathetic fallacy used to create?...

Konu

Mathematics, 19.10.2019 06:30

In circle o, ad and be are diameters. the measure of arc ab is 55 and the measure of arc cd is 25 what is the measure of eac

Konu

Mathematics, 19.10.2019 06:30

Aman standing on a lighthouse at a height of 124 feet sights two boats directly in front of him. one is at an angle of depression of 62°, and the other is at an angle of depression...

Konu

Mathematics, 19.10.2019 06:30

What is the final answer and i need to know how to get that answer

Konu

Social Studies, 19.10.2019 06:30

One day you learn that this same wealthy friend has become active in a community organization that serves the mentally challenged and their parents. you are told that her work with...

Konu

Biology, 19.10.2019 06:30

The hottest layer of the earth is the...

Konu

Mathematics, 19.10.2019 06:30

Quick! 8 points! best answer is brainiest! jackie recorded the length of the ribbons she had. (image below) what is the total length of the...

Konu

Mathematics, 19.10.2019 06:30

Which model shows two equal expressions when the value of x is 4?

Konu

Biology, 19.10.2019 06:30

Which of the following best describes the following characteristics: water storage, clean energy, and flood prevention? positive impact of a density-dependent limiting factor pos...

Konu

English, 19.10.2019 06:30

Which multimedia element would best clarify information for a speech about monarch butterfly adaptation? -a video clip of monarch butterflies in their natural habitat

Other tasks in the category: Chemistry More task