Normal rain has a pH of about 5.5 whereas the most acidic rain measured in Los Angeles had a pH of 1.5. How much more concentrated in H + is the acid rain than the normal rain?

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Chemistry

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19 February, 16:04

Normal rain has a pH of about 5.5 whereas the most acidic rain measured in Los Angeles had a pH of 1.5. How much more concentrated in H + is the acid rain than the normal rain?

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Rodrigo Taylor · Answer 1

PH is used to measure the acidity of a substance and it can be used to calculate the amount of H + ions in a solution. pH is expressed as:

pH = - log [H+]

For a normal rain:

5.5 = - log [H+]

[H+] = 1 x 10^-5 M

For an acid rain:

1.5 = - log [H+]

[H+] = 0.03 M