What Is the PH of a Solution Prepared by Mixing

question 148

Multiple Choice

What is the pH of a solution prepared by mixing 100. mL of 0.0500 M HCl with 300. mL of 0.500 M HF? [K_a(HF) = 7.1 * 10^-4]

• A) 1.47
• B) 1.90
• C) 1.30
• D) 1.63
• E) 2.82

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Definitions:

Prepaid Insurance Account

An asset account on the balance sheet representing insurance premiums that have been paid in advance and are gradually expensed over the coverage period.

Premium

An amount paid in excess of the nominal or face value of something, often associated with insurance policies or bonds.

Adjusting Entry

An accounting entry made at the end of a period to assign revenues to the period in which they are earned and expenses to the period in which they occur.

Create Deferral

The process of delaying the recognition of revenue or expenses to a future period to align with the accrual basis of accounting.