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xz_007 [3.2K]
4 years ago
10

Increased industrialization has caused a rise in harmful acid rain precipitation that affects plant and marine life. A sample of

acid rain has a proton concentration 10,000 times greater than pure water and more than 100,000 times greater than seawater. What is the approximate pH of this sample?
Chemistry
1 answer:
wolverine [178]4 years ago
3 0

Answer:

pH of the sample of acid rain is 3.

Explanation:

Pure water has a theoretical pH of 7.00. As pH = -log [H⁺], [H⁺] = 1x10⁻⁷M

Now, the sample of acid rain has a proton concentration 10,000 times greater than pure water. That is:

[H⁺] = 10,000 * 1x10⁻⁷M = 1x10⁻³M

The pH of this sample is:

pH = -log 1x10⁻³M

<h3>pH = 3</h3>
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Use a volumetric flask to prepare 100.00 mL of 0.70M HCl solution. Do this by diluting either one of the stock hydrochloric acid
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Answer:

- Take 3.3 mL of 3.0-M hydrochloric acid and subsequently add 76.7 mL of water to complete the 100.00 mL.

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Explanation:

Hello,

In this case, given that the dilutions are preparedfrom 3.0-M and 6.0-M hydrochloric acid, we must proceed as follows:

- 3.0-M stock: when using this stock, the aliquot you must take is computed as shown below:

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Regards.

3 0
3 years ago
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