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# Solved: Acid rain (see Chemistry in the Environment box in ISBN: 9780321910295 34

## Solution for problem 117P Chapter 14

Introductory Chemistry | 5th Edition

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Problem 117P

Acid rain (see Chemistry in the Environment box in Section 5.9) over the Great Lakes has a pH of about 4.5. Calculate the [H3O+] of this rain and compare that value to the [H3O+] of rain over the West Coast that has a pH of 5.4. How many times more concentrated is the acid in rain over the Great Lakes?

Step-by-Step Solution:
Step 1 of 3

Solution: Here, we are going to calculate the concentration of hydronium ion of rain over the Great Lakes and compare it with that over the West Coast.

Step1:

pH is the negative logarithm to base 10 of hydrogen ion concentration.

pH = - log[H3O+ ]

Step2:

Given, pH of the acid rain over the Great Lakes = 4.5

pH =  - log[H3O+]

Therefore, [H3O+] = 10-pH

= 10-4.5

= 3.16 x 10-5

Again, pH of the rain over the West Coast = 5.4

pH =  - log[H3O+]

Therefore,...

Step 2 of 3

Step 3 of 3

##### ISBN: 9780321910295

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