1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kozerog [31]
3 years ago
8

A solution with pH of 9 has [OH-] concentration of

Chemistry
1 answer:
Drupady [299]3 years ago
7 0
PH = -log([H+])
[H+] = 10^(-pH)

[H+] = 10^(-9)

[H+][OH-] = Kw
Kw = 1.0*10^-14 at 25 degrees celsius.

[OH-] = Kw/[H+] = (1.0*10^-14)/(1*10^-9) = 1.0*10^-5

The concentration of OH- ions is 1.0*10^-5 M.
You might be interested in
Please help me. Thank you so much to whoever decides to help me and I love you
Bumek [7]

Answer:

2,702.7027 I think ...

3 0
3 years ago
In a plant, roots absorb water and nutrients. Those materials are then transported to other parts of the plant. Which statements
Fiesta28 [93]
C is the correct anwser 
8 0
3 years ago
Read 2 more answers
Is topaz inorganic???????
cluponka [151]
<span>Inorganic Topaz is a silicate mineral of aluminium and fluorine. With the chemical formula Al2SiO4(F,OH)2.</span>
4 0
3 years ago
Need help asap!!!!<br> the last one is 3
zimovet [89]

Answer:

A

Explanation:

i think A is correct answer because

A has 8 Electrons& Protons

and it's electronic configuration ns² np⁶.

which allow it to gain 2 electrons to reach stability.

7 0
3 years ago
Which element has the greatest average atomic mass?
Dovator [93]
The awnser is Hydrogen. It had the greatest average atomic mass

8 0
3 years ago
Other questions:
  • How do you determine the number of protons in an element
    13·1 answer
  • Identify the single displacement reaction. 2H 2 + O 2 ⟶ 2H 2O Al 2S 3 ⟶ 2Al + 3S Cl 2 + 2KBr ⟶ 2KCl + Br 2 C 4H 12 + 7O 2 ⟶ 6H 2
    15·1 answer
  • How many are molecules ( or formula) in each sample?
    10·1 answer
  • A student place a 12-gram cube of ice inside a container. after six hours, the student returns to observe the contents of the co
    14·1 answer
  • There is free rotation about the carbons of ethane but not th
    11·1 answer
  • Match each chemical reaction with the correct identifying type.
    15·1 answer
  • Determine the volume of a helium balloon given the balloon was filled from a container 0.15L of gas at 2 atm if the new pressure
    15·1 answer
  • What is the advantage of fluted filter paper shown compared with cone-shaped filter paper?
    15·1 answer
  • Michela and simone are camping in a ent during some hot weather
    10·1 answer
  • How much cesium (half-life = 2 years) would remain from a 10 g sample after 4 years?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!