What Is the Molarity of a Solution of 10% by Mass

question 9

Multiple Choice

What is the molarity of a solution of 10% by mass cadmium sulfate, CdSO₄ (molar mass = 208.46 g/mol) by mass? The density of the solution is 1.10 g/mL.

• A)0.528 M
• B)0.436 M
• C)0.479 M
• D)0.048 M
• E)22.9 M

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Definitions:

Approximately Normal

A distribution is said to be approximately normal if it closely follows a normal distribution, characterized by its bell-shaped curve.

Probability

A measure of the likelihood that an event will occur, represented as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Random Sample

A sample in which each member of the population has an equal probability of being selected, aiming for a representative subset.

Standard Error

A statistical measure that indicates the accuracy of a sample mean by estimating the dispersion of sample means around the population mean.