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

question 36

Multiple Choice

What is the hydroxide-ion concentration in a solution formed by combining 200.mL of 0.15 M HCl with 300.mL of 0.090 M NaOH at 25°C? HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(l)

• A) 1.7 × 10^-13 M
• B) 0.090 M
• C) 1.7 × 10^-12 M
• D) 0.054 M
• E) 1.0 × 10^-7 M

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