Answer:

Explanation:
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In this case, as the atomic mass of coppe is 63.546 g/mol, with the given mass with can compute the moles as shown below:

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Answer: C.
Explanation: Alcohol floats on oil and water sinks in oil. Water, alcohol, and oil layer well because of their densities, but also because the oil layer does not dissolve in either liquid. The oil keeps the water and alcohol separated so that they do not dissolve in one another. ... Water sinks because it is more dense than oil.
The answer is letter a. Hill terrain, hill slope, and hill elevation
<span>that it is cooler than the lithosphere.</span>
I because it is an acid, it should be soluble in hexane