lisa123465
22.05.2020 •
Mathematics
What is the hydronium ion concentration of a substance that has a pH of 8.45
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Ответ:
[H3O+] =3.55×10^-9
Step-by-step explanation:
[H3O+]= 10^-pH
=10^-8.45
=3.55×10^-9
Ответ:
when x is 5, y is -1
when x is 3, y is -4
Step-by-step explanation:
plug and chug