How Many Grams of Na₂CO₃ Are Required to Prepare 25

question 69

Multiple Choice

How many grams of Na₂CO₃ are required to prepare 25.0 mL of a 2.00% (m/v) Na₂CO₃ solution?

• A) 0.0800 g Na₂CO₃
• B) 0.500 g Na₂CO₃
• C) 2.00 g Na₂CO₃
• D) 12.5 g Na₂CO₃
• E) 50.0 g Na₂CO₃

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Definitions:

Surplus

An excess of something, especially a quantity of a commodity or financial instrument that exceeds what is needed or used.

Equilibrium Price

The price at which the quantity of a good demanded equals the quantity supplied, leading to market balance.

Equilibrium Quantity

The amount of goods or services that is supplied and demanded at the equilibrium price.

Price Floor

A minimum price set by the government for certain goods and services, which cannot legally be lowered.