For both of them, used the balanced equation and it’s mole ratio to convert whatever you need to into moles. See the attacked work.
1) D 5 mols
2) A 0.55 mols
HELP PLEASE THIS IS MY LAST QUESTION FOR THIS QUIZ
2 answers:
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The concentration of [H3O⁺]=2.86 x 10⁻⁶ M
<h3>Further explanation</h3>In general, the weak acid ionization reaction
HA (aq) ---> H⁺ (aq) + A⁻ (aq)
Ka's value
Reaction
HC₂H₃O₂ (aq) + H₂O (l) ⇔ (aq) + H₃O⁺ (aq) Ka = 1.8 x 10⁻⁵
[H₃O⁺]=2.86 x 10⁻⁶ M