Given That CaO(s) + H₂O(l) $\rarr$ Ca(OH)₂(s) $\Delta$ H ^$\circ$ _rxn = -64

question 81

Multiple Choice

Given that CaO(s) + H₂O(l) $\rarr$ Ca(OH) ₂(s) , $\Delta$ H ^$\circ$ _rxn = -64.8 kJ/mol, how many grams of CaO must react in order to liberate 525 kJ of heat

• A) 6.92 g
• B) 56.1 g
• C) 455 g
• D) 606 g
• E) 3.40 * 10⁴ g

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