The ph level of tomato juice is 4.2. what is the hydrogen-ion concentration [h+]| for tomato juice?

The formula in getting the hydrogen -ion concentration [H+] is:
− pH = log [H+] 
[H+] = 10^−pH

We have the pH level of the tomato juice that is 4.2

[H+] = 10^−pH
[H+] = 10^-4.2
[H+] = 0.0000630957
[H+] = 6.30957 x 10^-5

So the hydrogen -ion concentration [H+] for tomato juice with pH level of 4.2 is 6.30957 x 10^-5.

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