A Chemist Wants to Make 5 L of a Solution

question 101

Multiple Choice

A chemist wants to make 5 L of a solution of NaCl that has a molarity of 0.5. How many moles of NaCl do they need?

• A)1)25 moles
• B)5)0 moles
• C)2)5 moles
• D)25 moles

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Definitions:

Break-Even

The point at which total costs and total revenue are equal, meaning the business is neither making a profit nor incurring a loss.

Variable Expense

Costs that change in proportion to the activity or volume of a business, such as raw materials and sales commissions.

Fixed Expense

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

Margin of Safety

This is a financial metric that measures the difference between actual sales and the break-even point, indicating how much sales can decline before a business incurs a loss.