Answer:
16
Explanation:
the number a grams is 16
2.453.
<em>∵ pH = - log[H₃O⁺] </em>
[H₃O⁺] = 0.00352 M.
<em>∴ pH = - log[H₃O⁺] </em>= - log(0.00352) = <em>2.453.</em>