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Is carbonic acid by itself a good buffer?

Anonymous

∙ 14y ago

Updated: 5/26/2024

No. A buffer needs to have a weak acid and its conjugate base or a weak base and its conjugate acid.

Additionally carbonic acid is unstable as it spontaneously decomposes into water and carbon dioxide.

Wiki User

∙ 14y ago

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More answers

Carbonic acid by itself is not a good buffer because it can only provide buffering capacity in a narrow pH range around its pKa value. Buffer solutions usually require a weak acid and its conjugate base or a weak base and its conjugate acid to be effective over a wider pH range.

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∙ 9mo ago

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Continue Learning about Chemistry

Can a buffer solution be prepared from a mixture of NaNO3 and HNO3?

Yes, a buffer solution can be prepared using a mixture of NaNO3 and HNO3 if the concentrations are appropriately chosen to have a significant concentration of the conjugate acid-base pair (HNO3/NO3-) present. In this case, NaNO3 would provide the NO3- ions, and HNO3 would provide the H+ ions to maintain the pH of the solution.

What amino acid would work best as a buffer close to physiological pH?

Histidine is a good amino acid to use as a buffer close to physiological pH (around 7.4) because it has a pKa near this pH value, allowing it to act as a good buffer in biological systems. At its pKa, histidine can accept or donate a proton, helping to maintain a stable pH.

What acid is present in aerated drinks?

Carbonic acid Phosphoric acid (in cola's, brown colored) Sorry! dont know the third... Been looking for a homework project but unable to find it. Good luck! Added: Citric acid in many fruitlike carbs, fanta's, bitter's etc.

Is Glucose a good buffer?

No, glucose is not a good buffer. Buffers are made of weak acids and their conjugate bases or weak bases and their conjugate acids. Glucose does not act as a buffer because it is a simple sugar and does not have the necessary acidic or basic properties.

Is the bicarbonate ion a strong acid or weak acid?

The bicarbonate ion is a weak acid, as it can donate a hydrogen ion (H+) but only partially dissociates in water. It is a good buffer in biological systems due to its ability to help maintain pH balance.

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Related Questions

What Enzyme speeds up reaction of CO2 and H2O to form carbonic acid?

The enzyme that speeds up the reaction of carbon dioxide (CO2) and water (H2O) to form carbonic acid is carbonic anhydrase. This enzyme catalyzes this reaction, which is important in the regulation of acid-base balance in the body.

What makes the gas in soda?

Its carbonic acid. Not good for tooth enamel.

Why is good?

It increases the bloods affinity to oxygen and buffers carbonic acid in the blood.

Why is hemoglobin good?

It increases the bloods affinity to oxygen and buffers carbonic acid in the blood.

Why is HCl and NaCl a good buffer?

No, NaOH is a strong base and NaCl is the salt of a strong acid and a strong base and so has no acidic or basic properties. A buffer solution requires an acidic or basic salt and the corresponding weak acid or base.

Does Sprite Rot your teeth?

Yes, any type of Lemonade/Pop is bad for you, it contain sugars that can rot your teeth carbonic acid in soda which eats away at your teeth, Sugar, chemicals and phosphoric acid is not a good idea. The carbonation itself is not good as it makes you feel very bloated.

Effect of Diluting a buffer?

The buffer capacity increases as the concentration of the buffer solution increases and is a maximum when the pH is equal to the same value as the pKa of the weak acid in the buffer. A buffer solution is a good buffer in the pH range that is + or - 1 pH unit of the pKa. Beyond that, buffering capacity is minimal.

Can a buffer solution be prepared from a mixture of NaNO3 and HNO3?

Yes, a buffer solution can be prepared using a mixture of NaNO3 and HNO3 if the concentrations are appropriately chosen to have a significant concentration of the conjugate acid-base pair (HNO3/NO3-) present. In this case, NaNO3 would provide the NO3- ions, and HNO3 would provide the H+ ions to maintain the pH of the solution.

Is club soda a good buffer?

Club soda is not a good buffer as it does not contain any significant amount of buffering agents such as bicarbonate or phosphate. Buffers work by maintaining a stable pH when an acid or base is added, and club soda's pH can change significantly when acid or base is introduced without a buffering capacity.

When preparing a buffer of a given pH an acid should be chosen whose pKa is close to the desired pH?

Yes this is true. This is because for a buffer solution, Ka = [H+] ( [acid] ) / [salt] ) As such by mathematical manipulation, [H+] = Ka ( [salt]/ [acid] ) We must keep in mind that a good buffer must have equal concentrations of acid and salt so as to be able to resist pH change in both directions, by absorbing protons and hydroxide ions. As such the value of ( [salt] / [acid] ) will be 1 and can be cancelled from the equation. [H+] = Ka And, pH = pKa :)

How do you put buffer in a sentence?

The Soviet Union took over Eastern Europe as a buffer state.I hate it when I have to be the buffer between Georgia and Betty.Proper insulation is not only good to keep your house warm but it is a noise buffer too.

What amino acid would work best as a buffer close to physiological pH?

Histidine is a good amino acid to use as a buffer close to physiological pH (around 7.4) because it has a pKa near this pH value, allowing it to act as a good buffer in biological systems. At its pKa, histidine can accept or donate a proton, helping to maintain a stable pH.

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