Chemistry, 29.09.2019 02:50 chhimmidemg

Which of these statements best explains why pure water has a ph of 7?
1) pure water contains only h20 molecules, but ph is based on the concentration of h30+ ions.
2)each molecule of water can dissociate to form 7 h30+ ions.
3) water self-ionizes to form an equilibrium system that has [h30+]=1.0x10^-7m

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 03:30

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Answers: 1

Answer

Chemistry, 22.06.2019 08:30

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Answers: 1

Answer

Chemistry, 22.06.2019 13:50

Which of these is a physical property

Answers: 1

Answer

Chemistry, 22.06.2019 15:30

Which suspect most likely committed the robbery and how do you know

Answers: 2

Answer

You know the right answer?

Which of these statements best explains why pure water has a ph of 7?
1) pure water contains...

Questions

Geography, 18.03.2021 14:00

in the rhombus, m_1 = 10x, m_2 = x + y, and m23 = 3z Find the value of each variable 3 1 www O A x=9 y = 81. z = 30 O B. x = 18. y = 171 z = 30 O C. =...

English, 18.03.2021 14:00

24. In the short story, "To Build a Fire" by Jack London, the man and the dog face what type of conflict? a. Man vs Society b. Man vs Sel...

Biology, 18.03.2021 14:00

HELP Lab: Mouse Genetics (Two Traits) Assignment: Lab Report

Biology, 18.03.2021 14:00

What can a person do to prevent barriers to exercise? Select three options....

Mathematics, 18.03.2021 14:00

Divide 144g in the ratio 7: 11...

Mathematics, 18.03.2021 14:00

HELP PLZZZ△KJL~△WJX. Identify the coordinates of X and the scale factor.

Chemistry, 18.03.2021 14:00

Does anyone knows how to solve this?? ...

Arts, 18.03.2021 14:00

Mathematics, 18.03.2021 14:00

Can you help me please?? ...

Mathematics, 18.03.2021 14:00

Can someone help with 6 and 7 ...

Physics, 18.03.2021 14:00

Suppose you stand on the rim of a space station. If the radius of the station is 12,000 meters, at what tangential speed must the rim of the station...

Mathematics, 18.03.2021 14:00

Find the hcf 4x (3x - y) + 5(3x - y)...

Mathematics, 18.03.2021 14:00

Help pls i need this done quick and i cant figure it out!<3

English, 18.03.2021 14:00

23. When writing a summary, it is best to make sure you give specific key facts and details from the text in order to describe which important pieces...

Mathematics, 18.03.2021 14:00

Find the 70th term of the following arithmetic sequence. 13, 22, 31, 40,...

Computers and Technology, 18.03.2021 14:00

You have a limited budget and you need to type color documents frequently, which type of printers would you buy?...

English, 18.03.2021 14:00

Select the correct answer. A commercial that compares dry skin to a desert is using which literary device? A. alliteration B.

Mathematics, 18.03.2021 14:00

5. The genetic information of almost every living thing is stored in a tiny strand called DNA. Human DNA is 3 nanometers or 3 x 10 9 mete...

Mathematics, 18.03.2021 14:00

Complete the equation so that its true for all vlaues of x.(15x-10)/5 = ? - 2...

History, 18.03.2021 14:00

Read each description of an aspect Washington's speech. Then, drag each aspect that reflects Washington's interpretation of events, rather than...

More questions: Chemistry Another questions