Why does ice float in liquid water? the high surface tension of liquid water keeps the ice on top. stable hydrogen bonds keep wa
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Answer:
0.2 moles, assuming weight of dried salt
Explanation:
In order to determine the number of moles, we need to be aware of the mass of the substance in question.
Assuming the mass of the dehydrated is 50g.
No. of moles = mass of substance/ molar mass of the substance.
=
= 0.2 moles moles.
Answer:
Explanation:
Hello there!
In this case, considering the Avogadro's gas law, which treats the volume and moles in a directly proportional way via:
Which can be solved for the final volume, V2, as shown below:
Thus, by plugging in the given data, we obtain:
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