A Stock Solution of HNO₃ Is Prepared and Found to Contain

question 110

Multiple Choice

A stock solution of HNO₃ is prepared and found to contain 12.7 M of HNO₃.If 25.0 mL of the stock solution is diluted to a final volume of 0.500 L,the concentration of the diluted solution is ________ M.

• A)0.254
• B)1.57
• C)0.635
• D)635
• E)254

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Definitions:

Sampling Error

The difference between a sample statistic and the corresponding population parameter due to the fact that the sample is not a perfect representation of the population.

Sample Size

The number of observations or data points collected in a study.

Population Standard Deviation

The standard deviation of a population, representing the total variance within the entire population, not just a sample.

Non-Integer Value

A value that cannot be exactly represented as an integer, often including fractions or decimals.