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Svetlanka [38]
3 years ago
12

What is buffer solution?

Chemistry
1 answer:
Olenka [21]3 years ago
6 0
A buffer solution is a aqueous solution consisting of a mixture of a weak acid and it conjugate base, or vice versa.
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ICE Princess25 [194]
Correct answers:
<span>Nuclear fission and fusion both affect the nucleus of an atom. 

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3 years ago
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What is the PH of a 1.3×(10)^-9 M HBr solution?
olga nikolaevna [1]

pH solution = 8.89

<h3>Further explanation</h3>

Given

The concentration of HBr solution = 1.3 x 10⁻⁹ M

Required

the pH

Solution

HBr = strong acid

General formula for strong acid :

[H⁺]= a . M

a = amount of H⁺

M = molarity of solution

HBr⇒H⁺ + Br⁻⇒ amount of H⁺ = 1 so a=1

Input the value :

[H⁺] = 1 x  1.3 x 10⁻⁹

[H⁺] = 1.3 x 10⁻⁹

pH = - log [H⁺]

pH = 9 - log 1.3

pH = 8.89

7 0
2 years ago
The organelle is found in plant cells contains a green pigment and is the site of photosynthesis. this organelle is the _______
Liono4ka [1.6K]
Answer: Chloroplasts
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If we know the specific heat of a material, can we determine how much heat is released under a given set of circumstances?
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Answer:

Yes

Explanation:

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Francis is learning about dissolving at school. She reads descriptions about the rate of dissolving from four of her friends.
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Explanation:

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