A Solution Contains 28% Phosphoric Acid by Mass

question 140

Multiple Choice

A solution contains 28% phosphoric acid by mass. This means that __________.

• A)1 mL of this solution contains 28 g of phosphoric acid
• B)1 L of this solution has a mass of 28 g
• C)100 g of this solution contains 28 g of phosphoric acid
• D)1 L of this solution contains 28 mL of phosphoric acid
• E)the density of this solution is 2.8 g/mL

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Definitions:

Price Elasticity

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

Demand

The quantity of a good or service that consumers are willing and able to purchase at various prices during a given time period.

Perfectly Inelastic

Refers to a scenario in which the amount demanded or supplied shows no reaction whatsoever to changes in price.

Total Revenue

The total amount of money earned by a business from the sale of its goods and services.