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Musya8 [376]
2 years ago
7

What is the solution to the problem rounded to the correct number of significant figures?

Chemistry
1 answer:
yanalaym [24]2 years ago
5 0

Answer:

13.57 approximately 14

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What is the function of the nervous system? What is the basic unit of the nervous system?
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Answer:

basic unit of le nervous system is ur nerves brother nah im jp ur brain bcs if u didnt have a brain u wouldnt feel anything :D

Explanation:

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When the equation Ca(OH)2 + HBr → (products) is completed and balanced, one term in the equation will be
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<span>Answer for the given question is CaBr2. Although, the given equation requires balancing of by adding one more HBr and one more H2o in resultant. The given equation will product at least one CaBr2. Hence the answer for the given equation is Calcium bromide i.e. CaBr2.</span>
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The weathered debris in deserts consists mainly of
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Answer;

C. unchanged rock and mineral fragments

Explanation;

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By contrast much of the weathered debris in deserts has resulted from mechanical weathering. Chemical weathering, however, is not completely absent in deserts. Over long time spans,clays and thin soils do form.


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A student determines that she used 0.0665 mol of sodium hydroxide (NaOH) to completely titrate 25.00 mL of sulfuric acid solutio
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To determine the concentration of one solution which is specifically basic or acidic solution through taking advantage on its points of equivalence, titration analysis is done.

Let us determine the reaction for the titration below:

2NaOH +2H2SO4 = Na2SO4 +2H2O

 

So,

0.0665 mol NaOH (2 mol H2SO4/ 2mol NaOH) / .025 L solution 

= 2.62 M H2SO4


The answer is the fourth option: 

<span>2.62 M</span>
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