Thus the hydrogen ion concentration is 1.67 * 10^-10 M.
What is the molar concentration?
The molar concentration refers to the concentration in mole per liter. Now we know that the pOH has to do with the concentration of the hydroxide ion concentration.
We know that;
pH = 14 - 4.223 = 9.777
Now
[H^+] = (Antilog -9.777)
[H^+] = 1.67 * 10^-10 M
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