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Ivahew [28]
3 years ago
8

Which statement best describes a mole ?

Chemistry
2 answers:
pentagon [3]3 years ago
5 0
<span>
It contains 6.02 mc001-1.jpg 1023 grams of sodium chloride.

It is the mass of 12 carbon atoms.

It contains 6.02 mc001-2.jpg 1023 particles of a given substance.</span>
Alex777 [14]3 years ago
3 0

It contains 6.02 1023 particles of a given substance.

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How are all cells similar?
Reika [66]

Answer:

All cells have structural and functional similarities. Structures shared by all cells include a cell membrane, an aqueous cytosol, ribosomes, and genetic material (DNA). All cells are composed of the same four types of organic molecules: carbohydrates, lipids, nucleic acids, and proteins.

Explanation:

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8 0
2 years ago
An organic compound, which has the empirical formula C12H25 has an approximate molar mass of 338 g/mol. What is its probable mol
Marta_Voda [28]

Answer:

C24H50

Explanation:

The empirical fomula's molar mass is 169.25 g/mol.

We know the molecular formula's molar mass is 338 g/mol.

338/169.25= 1.99 or approximately 2

8 0
3 years ago
How to calculate from moles to grams?<br> 4.0 moles of Cu(CN)2
andreyandreev [35.5K]

Answer: The mass of given amount of copper (II) cyanide is 462.4 g

Explanation:

To calculate the number of moles, we use the equation:

We are given:

Moles of copper (II) cyanide = 4 moles

Molar mass of copper (II) cyanide = 115.6 g/mol

Putting values in above equation, we get:

Hence, the mass of given amount of copper (II) cyanide is 462.4 g

3 0
2 years ago
Write your question here (Keep it simple and clear to get the best answer)how can the boiling point of a liquid raised without a
Ludmilka [50]
The boiling point of a liquid can be raised by adding pressure. Like wise, if you lower the pressure the boiling point goes down. This can be explained by the fact that boiling occurse when the vapor pressure equals the outside pressure so when the outside pressure rises the vapor pressure required for boiling also rises. Vapor pressure is proportional to temperature and therefore temperature needs to increase to make the vapor pressure increase. I hope this helps. Let me know in the comments if anything is unclear or if you want me to explain anything further.
7 0
3 years ago
Am I correct lots of points!
larisa [96]
Yes the answer is correct the plant uses the energy to grow and fertilize other plants
5 0
2 years ago
Read 2 more answers
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