A Solution Is Prepared by Dissolving 49

question 20

Multiple Choice

A solution is prepared by dissolving 49.3 g of KBr in enough water to form 473 mL of solution.Calculate the mass % of KBr in the solution if the density is 1.12 g/mL.

• A)10.4%
• B)8.57%
• C)10.1%
• D)11.7%
• E)9.31%

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Definitions:

Demand Curve

A graph showing the relationship between the price of a good and the quantity demanded, typically downward sloping.

Intertemporal Price Discrimination

Practice of separating consumers with different demand functions into different groups by charging different prices at different points in time.

Coupons

Vouchers or codes that offer a discount on the purchase price of goods or services, usually issued by manufacturers or retailers to stimulate demand.

Two-part Tariff

A pricing strategy that involves a fixed charge plus a variable usage rate.