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Darya [45]
4 years ago
14

Why we use ethanol and salt in the titration ?

Chemistry
1 answer:
frutty [35]4 years ago
7 0
Cause its the strongest force inside water
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What is the mass of 5.7 x 1022 atoms Mn?
Svet_ta [14]

The mass of 5.2 x 10^22 manganese atoms in grams would be 635.784 grams.

What is Avogadro's constant?
Avogadro's number tells us how many particles are in one mole (or mol) of a substance. <u>Electrons</u><u>, molecules, or atoms</u> could be among these particles. Avogadro's number has a value of approximately 6.022140857×10²³ mol⁻¹. Avogadro's number tells us how many particles are in one mole (or mol) of a substance. <u>Electrons, molecules, or atoms </u>could be among these particles. Avogadro's number has a value of approximately 6.022140857×10²³.


Computation of mass
Avogadro calculated that every material had 6.022 x 10^23 atoms per mole.

5.2 x 10^22 atoms of Mn would contain how many moles?
= 6.022 x 10^23 /1 x 5.2 x10^22
=11.58 moles

Mn mass equals 11.58 moles multiplied by 54.9
= 635.784 grams

You may learn more about Avogadro's constant here: brainly.com/question/15989275
#SPJ10

6 0
1 year ago
Which is the correct electron configuration for aluminum
Sati [7]

Answer:

Aluminum atomic number= 13

electron configuration = 2, 8 , 3

Hope it helps...........

6 0
3 years ago
WORTH 99 POINTS PLEASE ANSWER!!! The table shows the solubility of two substances in water at 20 °C. Solubility of Substances Ma
Lunna [17]

Answer:

the difference between k and l is that (k) is more soluble than (L) because the mass of 200 has lower grams than 100.

3 0
4 years ago
Read 2 more answers
Match each of the following terms to its correct definition.
elena-14-01-66 [18.8K]
1. Chemical name
2. Generic name
3. Brand name
5 0
2 years ago
A student takes a measured volume of 3.00 MHCl to prepare a 50.0 mL sample of 1.80 M HCl. What volume of 3.00 M HCl did the stud
hammer [34]
Volume of 3M solution: x
Moles in 3M solution: 3x

C = n/V
1,8 = 3x/0,05dm³
0,09 = 3x
x = 0,03dm³

A student need 0,03dm³ 3M HCl and 0,02dm³ of water.
5 0
3 years ago
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