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

question 2

Multiple Choice

What is the hydronium-ion concentration in a solution formed by combining 750 mL of 0.10 M NaOH with 250 mL of 0.30 M HCl?
NaOH(aq) + HCl(aq) $\to$ NaCl(aq) + H₂O(l)

• A) 0.075 M
• B) 1.7 \(\times\) 10^-13 M
• C) 1.0 \(\times\) 10^-7 M
• D) 0.30 M
• E) 0.10 M

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