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Author Question: How many moles of nitrogen are formed when 58.6 g of KNO3 decomposes according to the following ... (Read 108 times)

renzo156

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Question 1

How many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g mol-1.

4KNO3(s) → 2K2O(s) + 2N2(g) + 5O2(g)

◦ 1.73 mol O2
◦ 0.724 mol O2
◦ 18.5 mol O2
◦ 0.290 mol O2
◦ 0.580 mol O2

Question 2

How many moles of nitrogen are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g mol-1.

4KNO3(s) → 2K2O(s) + 2N2(g) + 5O2(g)

◦ 0.724 mol N2
◦ 18.5 mol N2
◦ 0.290 mol N2
◦ 1.73 mol N2
◦ 0.580 mol N2


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Marked as best answer by renzo156 on Nov 18, 2019

cascooper22

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renzo156

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Reply 2 on: Nov 18, 2019
Excellent


pangili4

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Reply 3 on: Yesterday
Gracias!

 

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