How Many Moles of NH₃ Do We Need to Prepare

question 22

Multiple Choice

How many moles of NH₃ do we need to prepare 100 mL of a 0.5M solution?

• A) 0.5 mol
• B) 0.2 mol
• C) 200 mol
• D) 0.05 mol
• E) 50 mol

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Definitions:

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Depression of the 1930s

A severe worldwide economic downturn that lasted throughout the 1930s, marked by significant declines in industrial production, widespread unemployment, and deflation.

Recession

A temporary stage of economic depletion, highlighted by a downturn in trade and industrial action, normally identified by a GDP reduction in two back-to-back quarters.

Stagflation

A situation in the economy where inflation and unemployment rates are high simultaneously, leading to slow economic growth.