subject

Chemistry, 22.02.2020 19:14 cicilee49

The pH of a 0.25 M (aq) solution of hydrofluoric acid, HF, at 25C is 2.03. What is the value of Ka for HF? Pls show all mathematical calculations

ansver

Answers: 3

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 10:00

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Answers: 1

question

Chemistry, 22.06.2019 20:00

The volume of a single vanadium atom is 9.29×10-24 cm3. what is the volume of a vanadium atom in microliters?

Answers: 3

question

Chemistry, 23.06.2019 01:00

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green

Answers: 1

question

Chemistry, 23.06.2019 01:00

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)

Answers: 3

You know the right answer?

The pH of a 0.25 M (aq) solution of hydrofluoric acid, HF, at 25C is 2.03. What is the value of Ka f...

Questions

question

World Languages, 10.09.2019 00:10

1. both se quitan and we diviertan have a before the verb 2. conjugate quitarse and divertissement. remember to include the reflexive pronoun...

question

Mathematics, 10.09.2019 00:10

What is the simplified version of this expression? -5 - (-2)4...

question

Mathematics, 10.09.2019 00:10

Find the length of the missing side of the triangle below.

question

Mathematics, 10.09.2019 00:10

In the founder's day parade in happy, usa, many organizations participate by building floats. the float committee has issued a decree that each float...

question

Mathematics, 10.09.2019 00:10

One fifth of a number decreased by 7...

question

History, 10.09.2019 00:10

Both harappa and mohenjo-daro were busy cities. they had citadels, for protection from both enemy invasions and floods. the bricks used to build these...

question

English, 10.09.2019 00:10

1david couldn’t wait to get off from work, for he had an exciting weekend planned. he and his seven year-old son, landon, were going on a camping trip...

question

English, 10.09.2019 00:10

The paragraph is most likely which part of an expository essay? four-stroke engines can be found in anything from automobiles to airplane...

question

English, 10.09.2019 00:10

Which are types of reading reference tools? check all that apply. almanacs biographies encyclopedias periodicals textbo...

question

Mathematics, 10.09.2019 00:10

Which function represents a reflection of f(x) = 2? o h(x) = 2x + 1 o h(x)=2x-1 o h(x) = 2x11 o h(x) = 2*...

question

Biology, 10.09.2019 00:10

10 points a scientific theory must stand up to all scientific testing. true or false...

question

English, 10.09.2019 00:10

List 5 fact about klondike gold rush?...

question

Mathematics, 10.09.2019 00:10

find the length of missing side of the triangle below.

question

Mathematics, 10.09.2019 00:10

Wendulum swings once every 2 seconds. how long will it take for the pendulum to swing 4 times?...

question

Mathematics, 10.09.2019 00:10

What is the solution of |x|=19 a 19 b -19 c 19 and -19 d none of these...

question

Mathematics, 10.09.2019 00:10

At a school necess, there needs to be a ratio of 2 adults for every 24 children playground. the double number line represents the number of adul...

question

Mathematics, 10.09.2019 00:10

What are two ways you can represent the number 27 using the number 3?...

question

Health, 10.09.2019 00:10

Explain strategies for staying safe of the internet...

question

English, 10.09.2019 00:10

Which characteristics of macbeths, if changed, would most change the theme of this scence...

question

Mathematics, 10.09.2019 00:10

Order 1 1/3 1.34 and 1.3 from least to greatest...

More questions: Chemistry Another questions

Questions on the website: 13722361