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Citrus2011 [14]
3 years ago
10

The fictional element, marvellium has 4 isotopes with mass numbers of 21, 22,24, and 28 amu. Each isotope is found in equal amou

nts in nature. What number is closest to the average atomic mass of marvellium
Chemistry
1 answer:
natita [175]3 years ago
3 0

Answer:

The answer to that question is 24 AMU.

Explanation:

I know this because i got the answer correct on the quiz. To get the average, you just add the 4 atomic masses given to you together then divide by 4.

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Explanation:

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Calculate the percent composition by mass of each element in kclo2.
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<span>To find the percent composition of KCLO(2), calculate the total mass of the molecule: K has 39.0983 g/mol, Cl has 35.4532 g/mol, and O(2) is 31.99886 g/mol. This sums to 106.5501 g/mol. Next, find the percentages of each element: K would have (39.0983/106.5501) = 0.366948 or 36.6948%, Cl would have (35.4532/106.5501) = 0.332737 or 33.2737%, and O(2) would be (31.99886/106.5501) = 0.300318, or 30.0318%. Summing these three percentages gives 100.0003%, which is within the scope of a rounding error.</span>
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4 years ago
What is true of a saturated solution?
ollegr [7]

Answer:

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kifflom [539]

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By visiting other households with cats.

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