Given the properties of atmospheric carbon dioxide, how might the presence of CO2 in the air affect the accurate measurement of acid concentration using an indicator in a natural sample?

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12-12-2019
Chemistry

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Given the properties of atmospheric carbon dioxide, how might the presence of CO2 in the air affect the accurate measurement of acid concentration using an indicator in a natural sample?

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jbferrado jbferrado · Answer 1 · 2019-12-13T20:13:25+01:00

Answer and Explanation:

Carbon dioxide (CO₂) dissolves in water and gives carbonic acid (H₂CO₃) which then dissociates first in HCO₃⁻ and then in CO₃⁻. So, its ionization increases the concentration of H⁺ and the solution becomes more acidic. If you measure the pH of a sample by using a colorimetric indicator and then you exhale your CO₂ in the sample, you will see that the indicator changes its color to the correspondent to a acid solution.

adefioyelaoye adefioyelaoye · Answer 2 · 2022-04-07T11:14:00+02:00

adefioyelaoye adefioyelaoye

07-04-2022

The presence of Carbon dioxide (CO₂) will lead to it reacting with water to give carbonic acid (H₂CO₃).

What is an Acid?

This is defined as a chemical substance which contains hydrogen and can react with other substances to form salts.

The carbonic acid contains hydrogen and the indicator will change to the color correspondent to a acid solution.

Read more about Acid here https://brainly.com/question/1302816

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