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Nadusha1986 [10]
2 years ago
13

To find the number of atoms look at the number known as the________. Please help.

Chemistry
1 answer:
Rufina [12.5K]2 years ago
4 0

Answer:

molar mass or AMU

Explanation:

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Curvature

Explanation:

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Compared to winds on the earth the winds on Saturn are much stronger. <br><br> True or False?
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3 years ago
Which sample would serve as a better buffer and therefore a better environment for aquatic life?
Ann [662]

Answer:

sample A

Explanation:

the first one because of the ppm value

6 0
2 years ago
Read 2 more answers
How can I calculate the mass percent of carbon, nitrogen and oxygen in caffeine, C8H10N4O2.
Ahat [919]

You must first calculate the total weight of 1 mole of the substance. You do this by finding the molar weights on the periodic table of each of the elements in the compound:

8(12.01g)+10(1.008g)+4(14.007g)+2(15.999g)=96.08g+10.08g+56.028g+31.998g=194.186g

So now we take the amount of each element that is given in the compound and divide it by the total mass of the compound:

Carbon: 96.08g

\frac{96.08g}{194.186g}= 0.49478=49.48

Carbon = 49.48%

Nitrogen: 56.028g

\frac{56.028g}{194.186g}=0.28853=28.85

Nitrogen = 28.85%

Oxygen: 31.998g

\frac{31.998g}{194.186g} =0.16478=16.48

Oxygen = 16.48%

8 0
3 years ago
Read 2 more answers
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