What Volume of O₂ Gas Is Obtained at 50 °

question 133

Multiple Choice

What volume of O₂ gas is obtained at 50 ° C and 1 atm of pressure from heating 2.30 g of KClO₃?
(unbalanced reaction:
KClO₃ (s) →KCl (s) + O₂ (g) )

• A) 926 mL
• B) 746 mL
• C) 281 mL
• D) 407 mL
• E) none of these

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