A Student Doing a Titration of HNO₃ with Sodium Hydroxide

question 142

Multiple Choice

A student doing a titration of HNO₃ with sodium hydroxide wants to use methyl orange as an indicator. Methyl orange changes color at pH = 3.7. Which of the following will be true of this experiment?

• A) The concentration of HNO₃ reported will be too high.
• B) The concentration of HNO₃ reported will be too low.
• C) The concentration of HNO₃ will be reported correctly.
• D) The experiment cannot be done at all.

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