An Unknown Amount of Water Is Added to 75 ML

question 21

Multiple Choice

An unknown amount of water is added to 75 mL of a 3.5 M sodium chloride solution.What can be said for certain about the concentration of the solution that results?

• A)The concentration of the resulting solution will be less than 3.5 M.
• B)The concentration of the resulting solution will be greater than 3.5 M.
• C)The concentration of the resulting solution will be 0.26 M.
• D)The concentration of the resulting solution will be 3.5 M because the amount of glucose has not changed.
• E)It is impossible to say anything for certain about the concentration because the amount of water that was added is unknown.

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Definitions:

Short Run

A period in economics during which some factors of production are fixed, limiting the ability of a business to expand or change its output levels.

Industry

A group of companies that produce similar goods or services, engaged in the same type of business.

Variable Costs

Variable costs are expenses that vary directly with the level of production or output, such as materials and labor used in the manufacturing process.

Fixed Costs

Expenses that do not change with the level of output or sales, such as rent, salaries, and insurance premiums.