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Leokris [45]
3 years ago
12

CH4 + 2 O2 → CO2 + 2 H2O

Chemistry
1 answer:
galben [10]3 years ago
3 0

Answer: 64 grams I think not sure.

Explanation:

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Calculate the concentration of the following solution in mol/dm3 0.1 moles of NaCl in 200 cm3
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6 0
3 years ago
8. How many atoms of cobalt are in a 0.39 mole sample of CoC
Debora [2.8K]

8.98

×

N

A

 

cobalt atoms

Explanation:

N

A

,

Avogadro's number

specifies  

6.0221

×

10

23

individual particles. It is simply another collective number like a dozen, or a score, or a gross.  

N

A

has the property that  

6.0221

×

10

23

individual cobalt atoms has a mass of  

58.93

⋅

g

. How did I know that? Did I have it memorized?

So the quantity is  

≈

 

54

×

10

23

cobalt atoms.

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Answer:

d.

Explanation:

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