Calculate the following: a) Number of Sulphur molecules in 3.2 g of S8 b) Number of molecules of methane in 80.0 g of it c) The mass of 1 molecule of ammonia d) The mass of 0.25 moles of calcium

Calculate the following: a) Number of Sulphur molecules in 3.2 g of

1.	Calculate the following: a) Number of Sulphur molecules in 3.2 g of S8 b) Number of molecules of methane in 80.0 g of it c) The mass of 1 molecule of ammonia d) The mass of 0.25 moles of calcium
Answer» tion:WEIGHT of 1 mol sulphur = MOLAR MASS of sulphur32g=1 mol 3.2g=0.1 mol 1 mol has 6.022×10 23 atoms0.1 mol will have 6.022×10 22 atoms