Multiple Choice
What volume of 13 M HCl is needed to prepare 350 mL of 4.0 M HCl solution?
6. Chemical Quantities & Aqueous Reactions
Dilutions
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What is the primary purpose of performing a serial dilution in a laboratory setting?
A
To enhance the solubility of a solute in a solvent
B
To separate components of a mixture based on their boiling points
C
To increase the volume of a solution without changing its concentration
D
To gradually decrease the concentration of a solution for accurate measurement
Verified step by step guidance1
Understand that a serial dilution is a stepwise dilution of a substance in solution, where each step involves diluting the solution by a certain factor.
Recognize that the primary purpose of performing a serial dilution is to achieve a range of concentrations from a single stock solution, which is useful for experiments requiring precise and accurate measurements of concentration effects.
Note that serial dilutions are commonly used in experiments where the concentration of a solution needs to be reduced to a level that is within the range of detection of an analytical method.
Acknowledge that serial dilutions help in creating a series of solutions with known concentrations, which can be used to generate a calibration curve for quantitative analysis.
Conclude that the correct answer is: To gradually decrease the concentration of a solution for accurate measurement, as this is the main goal of performing serial dilutions in a laboratory setting.
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