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son4ous [18]
3 years ago
15

An unknown solution has a pH of 8. How would you classify the solution? A.acidic B.basic C.neutral D.There is not enough informa

tion to answer the question
Chemistry
2 answers:
eimsori [14]3 years ago
6 0
<h2>Answer:</h2>

The correct answer is A. The solution is acidic in nature.

<h3>Explanation:</h3>

According to standard PH scale ranges;

  • <u>Solution is neutral, when PH is 7.</u>
  • <u>Solution is basic if PH is less than 7.</u>
  • <u>Solution is acidic if PH of solution is more than 7.</u>

So in this solution PH of solution is 8. According to standard criteria unknown solution is acidic in nature.

Alex_Xolod [135]3 years ago
4 0

pretty sure its c 95% sure

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A gas has a volume of 6.35 L at 88.6 kPa. What will be the volume at standard pressure? Standard Pressure = 101.3 kPa
alukav5142 [94]

Answer:

5.55 L

Explanation:

This excersise can be solved by the Boyle's law.

This law for gases states that the pressure of a gas in a vessel is inversely proportional to the volume of the vessel.

P₁ . V₁  = P₂ . V₂

The law comes from the Ideal Gases Law, in the first term.

P . V = n . R . T  In this case, n . R . T are all constant.

6.35 L . 88.6 kPa = 101.3 kPa . V₂

V₂ = (6.35 L . 88.6 kPa) / 101.3 kPa

V₂ = 5.55 L

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5 0
3 years ago
What is the concentration of an hbr solution if 12.0 ml of the solution is neutralized by 15.0 ml of a 0.25 m koh solution?
Snowcat [4.5K]
The balanced equation for the reaction between KOH and HBr is as follows;
KOH + HBr --> KBr + H₂O
stoichiometry of KOH to HBr is 1:1
number of KOH moles reacted - 0.25 mol/L x 0.015 L = 0.00375 mol
according to molar ration 
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melamori03 [73]

Answer:

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b. About 21.7 minutes

c. only a trace amount

Explanation:

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A) It decreases because the distance between the nucleus and outermost shell increases

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