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dedylja [7]
2 years ago
15

Infrared in __________controls

Chemistry
1 answer:
svetlana [45]2 years ago
8 0

Answer:

remote

Explanation:

i hope it helps

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What type of pollution is pictured here?
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air and soil polluction

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what happens when baking soda is mixed with vinegar a a new substance is formed B the substances are the same c but the baking s
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3 years ago
What is 2.75 mol of O2
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Answer:

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2 years ago
A formic acid buffer solution contains 0. 20 m h c o o h hcooh and 0. 24 m h c o o − hcoox−. the pka of formic acid is 3. 75. wh
irina1246 [14]

A buffer solution contains an equivalent amount of acid and base. The pH of the solution with an acid dissociation constant (pKa) value of 3.75 is 3.82.

<h3>What is pH?</h3>

The amount of hydrogen or the proton ion in the solution is expressed by the pH. It is given by the sum of pKa and the log of the concentration of acid and bases.

Given,

Concentration of salt [HCOO⁻] = 0.24 M

Concentration of acid [HCOOH] = 0.20 M

The acid dissociation constant (pKa) = 3.75

pH is calculated from the Hendersons equation as,

pH = pKa + log [salt] ÷ [acid]

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= 3.75 + log (1.2)

= 3.75 + 0.079

= 3.82

Therefore, 3.82 is the pH of the buffer.

Learn more about pH here:

brainly.com/question/27181245

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