The Acid-Dissociation Constant at 25 $10 ^ { - 8 }$

question 69

Multiple Choice

The acid-dissociation constant at 25.0 °C for hypochlorous acid (HClO) is 3.0 × $10 ^ { - 8 }$ .At equilibrium,the molarity of $\mathrm { H } _ { 3 } \mathrm { O } ^ { + }$ in a 0.030 mol L^-1 solution of HClO is ________.

• A)1.52 mol L^-1
• B)3.3 × 10^-10 mol L^-1
• C)4.52 mol L^-1
• D)0.030 mol L^-1
• E)3.0 × 10^-5 mol L^-1

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Definitions:

Price-elasticity Coefficient

A measure that calculates how much the quantity demanded of a good responds to a change in its price, quantitatively.

Revenues

The total income generated by a company from its business operations, such as sales of goods or services, before any costs or expenses are deducted.

Cut the Price

To reduce the selling price of a product or service.

Price Elasticity of Demand

A measure of how much the quantity demanded of a good changes in response to a change in its price.