At 20°C, an Aqueous Solution That Is 24

question 70

Multiple Choice

At 20°C, an aqueous solution that is 24.0% by mass in ammonium chloride has a density of 1.0674g/mL. What is the molarity of ammonium chloride in the solution? The formula weight of NH₄Cl is 53.50 g/mol.

• A)5.90
• B)0.479
• C)4.79
• D)0.0445
• E)22.5

Recognize employers' responsibilities under various federal regulations concerning employee rights and benefits.

Identify the requirements set by OSHA for workplace safety and employee rights information.

Know the limitations on employers in determining wages and working hours.

Understand the jurisdiction of the National Labor Relations Board concerning family employment.

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Definitions:

Associative Property

A mathematical rule stating that the way in which numbers are grouped in addition or multiplication does not change their sum or product.

Terms

Components of an expression or equation, separated by plus or minus signs, representing quantities or variables.

Distributive Property

A fundamental property of algebra stating that a(b + c) = ab + ac, allowing the distribution of multiplication over addition or subtraction.