What Is the Hydronium-Ion Concentration in a Solution Formed by Combining

question 64

Multiple Choice

What is the hydronium-ion concentration in a solution formed by combining 450 mL of 0.10 M NaOH with 150 mL of 0.30 M HCl?
NaOH(aq) + HCl(aq) → NaCl(aq) + H₂O(l)

• A)0.045 M
• B)1.7 × 10^-13 M
• C)1.0 × 10^-7 M
• D)0.30 M
• E)0.10 M

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