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xeze [42]
3 years ago
13

Someone please help!! i don’t know how to do this

Chemistry
1 answer:
noname [10]3 years ago
4 0

I don’t know how to do the problem without the table, but I can tell Esmeralda that Jimbob is not worth it XD

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If oxygen has a molar mass of 16.0 g/mole, carbon has a molar mass of 12.0 g/mole and hydrogen has a molar mass of 1.01 g/mole,
Stolb23 [73]
The number of mole of ethanol present in the beaker is 0.217 mole

Description of mole
The mole of a substance is related to it's mass and molar mass according to the following equation:
Mole = mass / molar mass

How to determine the mole of C₂H₅OH
From the question given above, the following data were obtained:
Mass of C₂H₅OH = 10 g
Molar mass of C₂H₅OH = (12×2) + (1.01×5) + 16 + 1.01 = 46.06 g/mol
Mole of C₂H₅OH =?

Mole = mass / molar mass
Mole of C₂H₅OH = 10 / 46.06
Mole of C₂H₅OH = 0.217 mole


Learn more about mole:
brainly.com/question/13314627

#SPJ1
5 0
2 years ago
PLS HELP ASAP!!!!! IM TIMED!!!!!
Rainbow [258]

1. compound

 2. element  

   3. element

4. compound  

5. compound

6. element

7. compound

     8 element

                                                                                                                   

3 0
3 years ago
What is an environmental hazard created by humans?
Yuliya22 [10]
Environmental Hazards are usually any chemicals that donot naturally occur to exist anywhere and are usually made in the fields of industry or experimental sciences
So if you happen for example to throw a bit of mercury in some river while being in a school trip then this is an environmental hazard created by humans
5 0
3 years ago
_____ is the measurement of the density of a substance as compared to water.
alexgriva [62]
Answer: Specific gravity
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3 years ago
What happens to the drops of denatured alcohol after 2 minutes?
AnnyKZ [126]
It'll beginning to evaporate.
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3 years ago
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