Answer:
See attached picture for both electrophillic substitution in pyrole and in pyridine.
Explanation:
8.5155g NH3
the molar mass of NH3 is 17.031 g/mol
0.5 mol NH3 x 17.031 gNH3/1 mol NH3 = 8.5155g NH3
Heat or Thermal energy, Solar Energy, Chemical energy, electrical energy, mechanical energy
high B or a low A:) Good Luck