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Fed [463]
3 years ago
15

What elements are found in the compound represented in the diagram

Chemistry
1 answer:
DedPeter [7]3 years ago
3 0
 hydrogen and carbon, hope that helped


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What combination of forces was the closest match? Why?
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Answer: COMBINED FORCES

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a 10.99g sample of NaBr contains 22.34% Na by mass. Considering the law of constant composition (define proportions), how many g
leonid [27]

Given :

A 10.99 g sample of NaBr contains 22.34% Na by mass.

To Find :

How many grams of sodium does a 9.77g sample of sodium bromine contain.

Solution :

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Hence , this is the required solution .

7 0
3 years ago
How many molecules are in 189.5 grams of no2?
xz_007 [3.2K]
<span>NO2 weighs 46.005 grams per mol. There are 6.02x10^23 molecules in a mol. In the given sample of 189.5 grams, there are 4.12 mols. This means that there are 2.48x10^24 molecules of NO2 in the given sample.</span>
5 0
3 years ago
WILL MARK BRAINLIEST!!
frozen [14]

Answer:

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Ar 1s2 2s2 2p6 3s2 3p6

Explanation:

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