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yanalaym [24]
3 years ago
15

Correct?

Chemistry
1 answer:
erica [24]3 years ago
4 0
Correct answer is C

Na2O + H2O ----> 2 NaOH

:-) ;-)
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Force = 2.32 N<br> Acceleration = 0.19 m/s2<br> Mass= ?
Mkey [24]

mass = 12.2 kg

Explanation:

To find the mass we use the following formula (Newton's Second Law of Motion):

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3 0
3 years ago
3. 200 ml of 0.2 M HCl is neutralized with 0.1 M
algol [13]

Answer:

  • <u><em>a. 0.1 M</em></u>

Explanation:

By definition, <em>half neutralization</em> is the point at which half of the acid has been neutralized.

The neutralization reaction that you are studying is the acid-base reaction:

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Then, since the starting molarity of the acid (HCl) is 0.2 M, you just need to find half of that concentration:

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So, the answer is the first choice: a. 0.1 M.

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3 years ago
Why can filtration not be used to seperate a mixture of 2 liquids ​
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Answer:

Filtration works best when the solute isn't dissolve in the solvent. For instance, sand and water can be seperated through filtration because both compounds do not dissolve with each other. However, sugar and water would not be seperated through filtration as they dissolve with each other.

-google :)

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