You Need to Prepare a Buffer Solution with a PH

question 99

Multiple Choice

You need to prepare a buffer solution with a pH of 4.00, using NaF and HF. What ratio of the ratio of [base]/[acid] should be used in making the buffer? For HF, K_a = 7.2 × 10^{- 4}.

• A) [base]/[acid] = 0.14
• B) [base]/[acid] = 0.42
• C) [base]/[acid] = 2.36
• D) [base]/[acid] = 7.20
• E) None of the above ratios is correct.

Recognize the impact of writing style on report effectiveness and reader perception.

Identify attributes of effective writing style for reports and the importance of clarity and conciseness.

Understand the purpose and structure of project progress reports and their role in project management.

Compare the writing style of reports with other business documents and appreciate the distinctive features of business writing.

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Definitions:

Trade Name

The commercial name under which a business operates and is known to the public, distinct from the business's legal name.

Collateral

An asset pledged by a borrower to secure a loan, which can be seized by the lender if the loan is defaulted on.

Security Interest

A legal claim or lien on collateral that has been pledged, usually to secure repayment of a loan.

Attachment

A legal process in which a court designates property of the defendant to be seized or secured to satisfy a potential judgment.