Determine the limiting reactant (LR) and the mass (in g) of nitrogen that can be formed from 40.0 g N2O4 and 35.0 g N2H4.  Some possibly useful molar masses are as follows:  N2O4 = 92.02 g/mol, N2H4 = 32.05 g/mol.             N2O4(l) + 2 N2H4(l)  →  3 N2(g) + 4 H2O(g)

According to the following reaction, what mass of PbCl2 can form from 235 mL of 0.210 M KCl solution?  Assume that there is excess Pb(NO3)2. KCl = 74.548 g/mol; Pb(NO3)2  = 331.208 g/mol; PbCl2 = 278.1 g/mol; KNO3 = 101.102 g/mol             2 KCl(aq) + Pb(NO3)2(aq)  →  PbCl2(s) + 2 KNO3(aq)

How many moles of oxygen are formed when 78.6 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)

What volume of 0.305 M AgNO3 is required to react exactly with 155.0 mL of 0.174 M Na2SO4 solution?  Hint:  You will want to write a balanced reaction.  AgNO3 = 169.874 g/mol; Na2SO4 =  142.036 g/mol

Give the complete ionic equation for the reaction (if any) that occurs when aqueous solutions of K2S and Fe(NO3)2 are mixed.

How many moles of oxygen are formed when 42.6 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)

The titration of 80.0 mL of an unknown concentration H3PO4 solution requires 126 mL of 0.218 M KOH solution.  What is the concentration of the H3PO4 solution (in M)?

What volume of 0.305 M AgNO3 is required to react exactly with 155.0 mL of 0.264 M Na2SO4 solution?  Hint:  You will want to write a balanced reaction.  AgNO3 = 169.874 g/mol; Na2SO4 =  142.036 g/mol

According to the following reaction, what amount of Al2S3 remains when 22.0 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)

A sample of potassium iodide is decomposed into its constituent elements.  If the sample produced 24.4 kg of potassium, how many kg of iodine were produced?