A sodium hydroxide solution has a pOH of 9.8. What is the concentration of the H3O+ ions in this solution?
a. 8.45 x 10^-11 mol/L
b. 6.30 x 10^-11 mol/L
c. 0 mol/L
d. 1.58 x 10^-10 mol/L
e. 1.85 x 10^-11 mol/L
f. 9.8 mol/L
g. 9.80 x 10^-11 mol/L
h. 6.30 x 10^-5 mol/L
(please show your work too)
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