When the Following Reaction Took Place at 23

question 10

Multiple Choice

When the following reaction took place at 23.8 °C and a pressure of 758 torr,3.90 L of O₂(g) were collected.What mass of KClO₃ decomposed? 2KClO₃(s) 2KCl(s) + 3O₂(g)

• A)163 g
• B)19.6 g
• C)13.0 g
• D)39.1 g

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