Assume That Acid Rain Has Lowered the PH of a Particular

question 32

Multiple Choice

Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?

• A) 1 × 10⁻⁹ mol of hydroxide ions per liter of lake water
• B) 1 × 10⁻⁵ mol of hydroxide ions per liter of lake water
• C) 5.0 M hydroxide ion
• D) 5.0 × 10⁻⁵ mol of hydroxide ions per liter of lake water

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Definitions:

Perpetual Inventory System

A system of inventory accounting that instantly logs inventory sales or purchases using computerized point-of-sale systems and software for enterprise asset management.

Gross Method

An accounting method where purchases are recorded at their full (gross) cost without deducting any cash discounts.

Credit Terms

Conditions under which credit is extended by a lender to a borrower, including the repayment period, interest rate, and the amount of the loan.

Sales Discounts

Reductions in the sale price offered by a seller to a buyer, typically to encourage prompt payment or in response to bulk orders.