Rank the following solutions from the highest [H3O+] (1) to the lowest [H3O+] (5).

[H3O+] = 3.16 * 10-4 M

[OH-] = 4.35 * 10-2 M

pH = 1.05

pOH = 7.0

pOH = 4.0

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kilograms represented by the mass defect for thorium - 234=3.09x 10-27 kg what is the nuclear binding energy for thorium - 234