How many moles of nitrogen are formed when 54.6 g of KNO3 decomposes according to the following reaction?  The molar mass of KNO3 is 101.11 g/mol.             4 KNO3(s)  →  2 K2O(s) + 2 N2(g) + 5 O2(g)

A sample of potassium iodide is decomposed into its constituent elements.  If the sample produced 26.4 kg of potassium, how many kg of iodine were produced?

How many grams of Li3N can be formed from 1.15 moles of Li?  Assume an excess of nitrogen.             6 Li(s) + N2(g)  →  2 Li3N(s)

How many moles of oxygen are formed when 38.6 g of KNO3 decomposes according to the following reaction?  The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s)  →  2 K2O(s) + 2 N2(g) + 5 O2(g)

Identify the reducing agent. 2 Al3+(aq) + 2 Fe(s)  →  2 Al(s) + 3 Fe2+(aq)

How many moles of oxygen are formed when 36.8 g of KNO3 decomposes according to the following reaction?  The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s)  →  2 K2O(s) + 2 N2(g) + 5 O2(g)

A sample of potassium iodide is decomposed into its constituent elements.  If the sample produced 16.4 kg of potassium, how many kg of iodine were produced?

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. 4 KNO3(s)  →  2 K2O(s) + 2 N2(g) + 5 O2(g)

According to the following reaction, what amount of Al2S3 remains when 20.00 g of Al2S3 and 2.00 g of H2O are reacted?  A few of the molar masses are as follows:  Al2S3 = 150.17 g/mol, H2O = 18.02 g/mol.               Al2S3(s) + 6 H2O(l)  →  2 Al(OH)3(s) + 3 H2S(g)

What volume of 0.305 M AgNO3 is required to react exactly with 155.0 mL of 0.374 M Na2SO4 solution?  Hint:  You will want to write a balanced reaction.  AgNO3 = 169.874 g/mol; Na2SO4 =  142.036 g/mol