Calculate the Molarity of a 23

question 9

Multiple Choice

Calculate the molarity of a 23.55-mL solution which contains 28.24 mg of sodium sulfate (used in dyeing and printing textiles, ℳ = 139.04 g/mol) .

• A)8.625 M
• B)1.199 M
• C)0.8339 M
• D)0.2031 M
• E)0.008625 M

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values; a high standard deviation indicates greater variability.

Standard Normal Distribution

A normal distribution with a mean of 0 and a standard deviation of 1, used in z-score calculations to determine probabilities.

Normal Distribution

A statistical distribution which is evenly spread around the mean, indicating that occurrences close to the mean are more common than those further away.

Frequency Distributions

Showcases how often each different value in a set of data occurs.