A 250 ML Sample of 0 $K _ { a }$

question 100

Multiple Choice

A 25.0 mL sample of 0.150 mol L^-1 butanoic acid is titrated with a 0.150 mol L^-1 NaOH solution.What is the pH after 13.3 mL of base is added? The $K _ { a }$ of butanoic acid is 1.5 × 10^-5.

• A)1.34
• B)4.55
• C)3.08
• D)4.77
• E)4.88

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Definitions:

Credits

Accounting entries that increase liability or equity accounts, or decrease asset or expense accounts.

Liabilities

Financial obligations or debts that a company owes to others, which must be settled over time through the transfer of assets, provision of services, or other means.

Debits

Accounting entries that result in an increase in assets or expenses and a decrease in liabilities, equity, or income.

Credits

In accounting, credits are entries that decrease assets or increase liabilities and equity on a company's balance sheet.