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Mekhanik [1.2K]
3 years ago
8

Calculate the pH of a 0.10 M NH4Cl solution.

Chemistry
1 answer:
Ksivusya [100]3 years ago
5 0

Answer:

Answer: pH = 2.72

Explanation:

Calculate the pH of 0.010 M HNO2 solution. The K, for HNO2 is 4.6 x 104 

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#15 need help don’t understand
andreev551 [17]
I got B. Lmk if u need explanation
7 0
3 years ago
Concentrated hydrochloric acid is 36% (Weight/Volume) hydrochloric acid and has a density of 1.18 g.cm -3.
dezoksy [38]

The concentration refers to the amount of substance that is contained in solution.

<h3>What is the concentration?</h3>

The concentration refers to the amount of substance that is contained in solution. We can be able to obtain the concentration of the raw acid by the use of the relation;

Co = 10pd/M

M = molar mass of the acid

p = percentage of the acid

d = density of the acid

Co = 10 * 36 * 1.18/36.5

Co = 11.6 M

Using the dilution formula;

C1V1 = C2V2

10 * 11.6 = C2 * 1000

C2 = 10 * 11.6/1000

C2 = 0.116 M

Using again;

C1V1 = C2V2

0.116 * 5 = C2 * 20

C2 = 0.116 * 5 /20

C2 = 0.029 M

Learn more about concentration:brainly.com/question/10725862

#SPJ1

8 0
2 years ago
An atom in the ground state has seven valence electrons. This atom could be an atom of which element?
levacccp [35]
The valence electrons of an element is usually determined by its atomic number. The valence elctrons are the electrons that have the highest energy level. 

Fluorine has 7 valence electrons in the ground state. 
3 0
3 years ago
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How is thermal energy transferred during conduction? Check all that apply.
Gnoma [55]

Answer:

Option 2, 3, and also 6 btw

Explanation:

The other guy was wrong

5 0
3 years ago
Guys help me, please
Pepsi [2]

Answer:

radiation, conduction, convection, conduction

5 0
3 years ago
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