A Mass of 11

question 15

Multiple Choice

A mass of 11.60 g of phosphoric acid was produced from the reaction of 10.00 g of P₄O₁₀ with 12.0 g water. What was the percent yield for this reaction?

• A) 78.62%
• B) 101.1%
• C) 92.70%
• D) 84.00%
• E) 52.70%

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Definitions:

Precautionary Motive

A rationale for holding money or liquid assets to guard against future uncertainties and potential emergencies.

Recession

A significant decline in economic activity spread across the economy, lasting more than a few months, typically visible in real GDP, real income, employment, industrial production, and wholesale-retail sales.

Cash

Physical currency such as coins and banknotes or the equivalent in bank balances that can be immediately accessible.