In the thermal decomposition of exactly 2 moles of Magnesium Nitrate (), how many moles of nitrogen — s Block Elements Chemistry Question
Question
In the thermal decomposition of exactly 2 moles of Magnesium Nitrate ($Mg(NO_3)_2$), how many moles of nitrogen dioxide ($NO_2$) gas are evolved?
Answer: 4
💡 Solution & Explanation
The balanced thermal decomposition reaction is: $2Mg(NO_3)_2 \rightarrow 2MgO + 4NO_2 + O_2$. According to the stoichiometry, 2 moles of the nitrate produce exactly 4 moles of $NO_2$ gas.
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