pH on Your Calculator
Your calculator makes calculating non-integer pH easy.

 scientific calculator What is the pH of 0.213 M HCl?
pH = -log[H+]

0.213 LOG key CHS(+/-) key gives
0.67 pH
What is the molarity of an HCl solution of 3.24 pH?
[H+] = 10-pH

3.24 CHS(+/-) key 10 to the x key gives
5.75 x 10-4 M

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