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KiRa [710]
2 years ago
8

ASAP!!

Chemistry
1 answer:
wariber [46]2 years ago
4 0

2 x 3 = 6 + 3 x 3 = 9. 6 +9= 15 + 5 = 20. 10 + 15 = 25.

So, The Al2 O 3 is 20.

And the Fe is 15?

So the total of whatever it is is 25.

Sorry if it's wrong, I am a 13year old 7th grader, not in high school so it's probably wrong.

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(See explanation for further details)

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1) The quantity of moles of sulfur is:

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2) The number of atoms of helium is:

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5) The quantity of moles of sodium chloride is:

n = \frac{2.4\times 10^{23}\,molecules}{6.022\times 10^{23}\,\frac{molecules}{mol} }

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