Working formula:
pH = -log[H+] or -log[H3O+]
1) [H+] = 1* 10-6 M
pH = -log (1*10-6)
= 6 (Answer)
2) Similarly,
pH = -log(0.1) = 1 (Answer)
3) pH = -log(1*10-13)
=13 (Answer)
4)[H3O+] = 10-pH
= 10-10 = 1 * 10-10M (Answer)
Similarly,
5) [H3O+] = 10-3
= 1*10-3 M (Answer)
6) [H3O+] = 10-6
= 1*10-6 M (Answer)
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