Limestone (CaCO₃) Emits CO₂ Gas When Exposed to HCl

question 12

Multiple Choice

Limestone (CaCO₃) emits CO₂ gas when exposed to HCl. What is the theoretical yield of CO₂ if 9.45 grams of limestone is completely dissolved in HCl?
CaCO₃( s ) + 2 HCl( aq ) → CaCl₂( aq ) + CO₂( g ) + H₂O( l )

• A) 21.5 g
• B) 4.16 g
• C) 9.53 g
• D) 24.7 g

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