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
sergey [27]
3 years ago
6

A solution was prepared by mixing 0.5000 m hno2 with 0.380 m no2-. ka = 4.58 x 10-4. calculate the ph of the solution. show work

.
Chemistry
1 answer:
adell [148]3 years ago
7 0

pH of buffer can be calculated as:

pH=pKa+log[salt]/[Acid]

As ka = 4.58 x 10-4

Concentration of [Salt] that is NO2(-1)=0.380M

Concentration of [Acid] that is HNO2=0.500M

So, pH= -log(4.58*10^-4)+log((0.380)/0.500))

=3.21

So pH of solution will be 3.21

You might be interested in
What is the correct value for Avogadro's number?
nydimaria [60]

Answer: Option A. 6.022 x 10^23

Explanation:

8 0
3 years ago
How is a simple cell constructed​
ki77a [65]

Answer:

a simple voltaic cell is made by immersing one zinc plate and one copper plate inside water diluted sulfuric acid solution.

4 0
2 years ago
Read 2 more answers
Which is not a compound? water silicon dioxide oxygen gas carbon dioxide gas
Illusion [34]
All of these are compounds except oxygen because a compound is two or more different elements bonded together.
4 0
3 years ago
Give the postional isomers of 2 halopropane<br>(CH3)2CH​
s344n2d4d5 [400]

Give the positional isomers of 2 halopropane

(CH3)2CH​

answer:

    is in file download it

6 0
2 years ago
How do scientists predict the polarity of molecules, the distribution of non-polar and polar molecules?
EastWind [94]

Answer:

Explanation:

Polar molecules interact with other molecules of similar polarity to form solutions. Non-polar molecules do not interact the same way.

8 0
3 years ago
Read 2 more answers
Other questions:
  • Martije has made a slight error in naming a compound monocarbon tetrabromide. What compound is she most likely naming, and what
    5·2 answers
  • If an atom is located in the 3rd period, which of the following is true:
    13·1 answer
  • Which species is most vulnerable to extinction raccoon or mountain gorilla
    12·2 answers
  • 8. Estimate the maximum volume percent of Methanol vapor that can exist at standard conditions. Vapor pressure = 88.5 mm Hg in a
    10·1 answer
  • Which step in an investigation involves predicting the results?
    12·1 answer
  • Gases can be defined by the following statement:
    12·1 answer
  • Who discovered atoms?<br>​
    11·1 answer
  • An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change:
    8·1 answer
  • Severe or sudden changes in Earth's atmosphere can cause entire species of animals to die. When all of the members of species di
    7·1 answer
  • Select the structure that corresponds
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!