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alexandr1967 [171]
3 years ago
7

What is the mass of 6.02x10^23 potassium atoms?

Chemistry
1 answer:
omeli [17]3 years ago
3 0

Answer:

39.1 g

Explanation:

In your case, 6.02⋅1023 atoms of potassium will be equivalent to one mole of potassium. Therefore, you can say that one mole of potassium has a mass of 39.1 g .

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The radius of a hydrogen atom is 37pm and its mass is 1.67*10^-24g.
kirill115 [55]

Answer:

V = 4/3 * 3.1416 * (37x10-10)3

V = 2.12x10-25 cm3

d = m/V

d = 1.67x10-24 / 2.12x10-25 = 7.87 g/cm3

The difference in temperature, let's convert F to ºC:

ºC = -80-32/1.8 = -62.22 ºC

dT = -92.6 + 62.2 = -30.4 ºC

6 0
3 years ago
Read 2 more answers
Are the following instructions for diluting a 10.0 M solution to a 1.00 M solution correct: ""Take 100.0 mL of the 10.0 M soluti
Molodets [167]

The following directions for diluting a 10.0 M answer to a 1.00 M solution is no longer correct.

<h3>.What is the rule of dilution?</h3>

A popular rule to use in calculating the attention of solutions in a sequence is to multiply the unique concentration by means of the first dilution factor, this by the second dilution factor, this by the 1/3 dilution factor, and so on till the ultimate attention is known.

Example: A 5M answer of HCl is diluted 1/5.

<h3>How do you do a 1 in 10 dilution?</h3>

For example, to make a 1:10 dilution of a 1M NaCl solution, you would combine one "part" of the 1M solution with 9 "parts" of solvent (probably water), for a total of ten "parts." Therefore, 1:10 dilution ability 1 part + 9 components of water (or different diluent).

Learn more about dilution here:

<h3>brainly.com/question/25292980</h3><h3 /><h3>#SPJ4</h3>
7 0
2 years ago
What parts of an atom can change during a nuclear reaction that cannot change during a chemical reaction? The number of neutrons
Tcecarenko [31]

Answer:

The number of protons and neutrons.

Explanation:

Neutrons and Protons can't be removed from nucleus from chemical reactions because they are held together super strong and tight. However, nuclear reactions are strong enough to separate them.

hope this helps :)

8 0
3 years ago
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Mass in mg<br> salt<br> sugar<br> chalk<br> sand<br> water
STALIN [3.7K]
Its 470mg k dude or dudette
6 0
4 years ago
How many significant figures are in 6.00 in
Free_Kalibri [48]

Answer:

2

Explanation:

5 0
4 years ago
Read 2 more answers
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