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Darina [25.2K]
3 years ago
9

Hellllllllllpppppppppp pliz

Mathematics
1 answer:
LenaWriter [7]3 years ago
8 0
The answer is C. I just divided the pages read by the time it took to read it.

For example: Fiona read 45 pages in 3 hours. 45 divided by 3 equals 15. Then, Albert read 30 pages in 6 hours. 30 divided by 6 equals 5.
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3 years ago
A molecule of butane contains 10 atoms of hydrogen to every 4 atoms of hydrogen to every 4 atoms of carbon. Could a compound con
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Yes this compound could be shown to be butane, specifically, it can be shown to be 9 molecules of butane. Check Explanation for more.

Step-by-step explanation:

Butane contains 10 hydrogen atoms for every 4 carbon atoms. It's molecular formula is C₄H₁₀

The hydrocarbon compound presented has 36 carbon atoms and 90 hyfrogen atoms

If the ratio of each of these atoms present is also in the ratio 4:10 like C:H, then, it can be inferred that the compound is indeed Butane

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dividing through by 9, we have

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which is the exact ratio of Carbon to Hydrogen in butane.

Hence, the unknown compound is most likely 9 molecules of butane

9C₄H₁₀ = 36 carbon atoms and 90 hydrogen atoms.

Hope this Helps!!!

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