A 0100 M K₂SO₄ Solution Has a Freezing Point of −0

question 6

Multiple Choice

A 0.100 m K₂SO₄ solution has a freezing point of −0.43°C. What is the van't Hoff factor for this solution? K_f = 1.86°C/m

• A)0.77
• B)1.0
• C)2.3
• D)3.0
• E)>3.0

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Definitions:

Controlled Error

Error that is managed or regulated within an experiment to ensure it does not affect the validity of the results.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it defines the boundary for the region of rejection.

Power

The probability that a statistical test will correctly reject a false null hypothesis, effectively detecting an actual effect.

Type II Error

The mistake of failing to reject a false null hypothesis, also known as a "false negative" finding.