Chem help asap please explain ?

2020-06-01 8:59 pm
The pH of an aqueous solution is 3.98. Determine [H3O
+]. 
Answer in units of M.

回答 (1)

2020-06-01 9:18 pm
pH = -log[H₃O⁺] = 3.98
[H₃O⁺] = 10⁻³˙⁹⁸ M = 1.05 × 10⁻⁴ M


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