A Weak Acid,HF,is in Solution with Dissolved Sodium Fluoride,NaF

question 18

Multiple Choice

A weak acid,HF,is in solution with dissolved sodium fluoride,NaF.If HCl is added,which ion will react with the extra hydrogen ions from the HCl to keep the pH from changing?

• A)OH^-
• B)Na⁺
• C)F^-
• D)Na^-
• E)none of these

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