A Solution of HF Is Titrated with a 0

question 50

Multiple Choice

A solution of HF is titrated with a 0.150 M NaOH solution. Based on the table above, the best indicator for this reaction is . The K_a of hydrofluoric acid is 6.8 × 10^{- 4}.

• A) methyl orange
• B) phenolpthalein
• C) methyl red
• D) thymol blue
• E) bromocresol purple

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Definitions:

Loan

A sum of money that is borrowed, typically from a financial institution, which is expected to be paid back with interest.

Effective Annual Rate

The interest rate that reflects the compound interest rate paid or earned on an investment, loan, or other financial product over a year.

Compounding Periods

The frequency with which interest is added to the principal balance of an investment, affecting its overall future value.

Time Value

The principle that money in hand today has a greater value than an identical sum received in the future because of its ability to earn more over time.