Remember pH is defined as: pH = -log[H+]
so, substituting
4 = - log[H+]
-4 = log [H+] Take antilog of both sides
10^(-4) = [H+]
[H+] = 1 x 10^-4 M
Answer:
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Answer:
number 3(synthetic material)
Explanation:
I hope it help you.
Visit this page and read the Radium series part
https://en.wikipedia.org/wiki/Uranium-238