A Solution Is Prepared by Adding 0

question 3

Multiple Choice

A solution is prepared by adding 0.10 mol of sodium sulfide, Na₂S, to 1.00 L of water. Which statement about the solution is correct?

• A)The solution is basic.
• B)The solution is neutral.
• C)The solution is acidic.
• D)The concentration of sodium ions and sulfide ions will be identical.
• E)The concentration of sulfide ions will be greater than the concentration of sodium ions.

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Definitions:

[H+]

[H+] represents the concentration of hydrogen ions in solution, commonly associated with acidity.

pH

A scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 to 14.

[HCO3-]

[HCO3-] is the chemical notation for the bicarbonate ion, a key intermediate in the carbon dioxide transport and pH balance mechanisms in living organisms.

pH

A measure of the hydrogen ion concentration in a solution, indicating its acidity or alkalinity on a scale where 7 is neutral, lower values are acidic, and higher values are basic.