Which Combination of Solutions Is the Best Choice for Making

question 16

Multiple Choice

Which combination of solutions is the best choice for making a buffer solution?

• A)equal volumes of 1 M ammonia (NH₃) and 0.001 M ammonium chloride (NH₄Cl)
• B)equal volumes of 0.5 M hydrochloric acid (HCl) and 0.5 M sodium hydroxide (NaOH)
• C)equal volumes of 0.5 M hydrochloric acid (HCl) and 0.5 M sodium chloride (NaCl)
• D)equal volumes of 2 M ammonia (NH₃) and 1 M hydrochloric acid (HCl)
• E)equal volumes of 2 M ammonium chloride (NH₄Cl) and 1 M hydrochloric acid (HCl)

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Definitions:

Nephron Loop

A U-shaped tube in the nephron of the kidney that plays a crucial role in concentrating urine and conserving water.

Proximal Tubule

A major part of the nephron in the kidney, involved in the reabsorption of water, ions, and nutrients from the filtrate and their return to the bloodstream.

Urinalysis Test Strip

A diagnostic tool used to detect and measure various compounds in urine, such as glucose or proteins.

Spectrometer

An analytical instrument used to measure the properties of light over a specific portion of the electromagnetic spectrum, often used in spectroscopic analysis.