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What is the difference between a jar of hydrogen and oxygen and a jar of water vapor

1 answer:

6 0

Water vapour is made up of H2O molecules, where the hydrogen and oxygen atoms have covalent bonds that join them. A jar of hydrogen and oxygen just has oxygen molecules and hydrogen molecules, which are separate.

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Equivalent mass of AL2O3

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Answer:

$Mass = 102g$

Explanation:

Given

Compound: $Al_2O_3$

Required

Determine the equivalent mass

In the above compound, we have: 2 Al and 3 (O)

The atomic mass of Aluminium is:

$Al = 27$

The atomic mass of Oxygen is:

$(O) = 16$

So, the equivalent mass is:

$Mass = 2 * 27 + 3 * 16$

$Mass = 54 + 48$

$Mass = 102g$

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