I’ll report them don’t worry :)
When the PH is 7.0, the hydronium Ion Concentration is gotten as; [H3O+] = 1 × 10^(-7) M
<h3>How to find the Concentration of an Ion? </h3>
The formula to find the pH of an Ion concentration is;
pH = - log [H3O+]
where;
[H3O+] is the molar concentration of hydronium ion.
We are told that the pH is 8.0. Thus;
8.0 = - log [H3O+]
10^(-8) = [H3O+]
[H3O+] = 1 × 10^(-8) M
Thus, when pH = 7.0, we have;
7.0 = - log [H3O+]
[H3O+] = 1 × 10^(-7) M
Complete question is;
When the fish-tank water has a pH of 8.0, the hydronium ion concentration is 1.0 × 10-8 mole per liter. What is the hydronium ion concentration when the water has a pH of 7.0?
Read more about Ion Concentration at; brainly.com/question/3997048
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They usually offer higher interest rates, and its harder to access your money when its in a savings account.
The reason it's harder is because savings is for what the name says-- saving. It's in a separate place than your checking, and usually requires going to a bank or ATM.
Checking is for using a debit card, so it's easily accessible by swiping your card and withdrawing immediately.
Hope this helps!