If the PH of a Solution Is Increased from PH

question 67

Multiple Choice

If the pH of a solution is increased from pH 5 to pH 7, it means that the

• A) concentration of H⁺ is twice (2X) what it was at pH 5.
• B) concentration of H⁺ is one-half (1/2) what it was at pH 5.
• C) concentration of OH⁻ is 100 times greater than what it was at pH 5.
• D) concentration of OH⁻ is one-hundredth (0.01X) what it was at pH 5.
• E) concentration of H⁺ is 100 times greater and the concentration of OH⁻ is one-hundredth what they were at pH 5.

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Definitions:

Return on Investment Model

A performance measure used to evaluate the efficiency or profitability of an investment or compare the efficiency of several different investments.

BVI

An abbreviation often denoting the British Virgin Islands, but it can have other meanings in different contexts; without specific context, its definition is not clear.

Profit

The financial gain obtained when the revenue from a business activity exceeds the expenses, costs, and taxes needed to sustain the activity.

Costs Money

Costs money is a term indicating that something requires payment or expenditure to obtain or maintain.