a) 1.50 mol of aluminum sulfide b) 1.91 x 10. 23 molecules of benzene, C6H6. 4) Calculate the volume of the following gases: a) 4.29 mol of nitrogen d...
Chapter 10 Chemistry Review 1) Calculate the molar mass of each of the following substances: a) Butane, C4H10 b) Sodium perchlorate
2) Calculate the number of moles of the indicated substance present in each of the following: a) 4.18 g of chlorine dioxide
b) 2.91 x 1018 formula units of ammonium nitrate
3) Calculate the mass in grams of each of the following samples: a) 1.50 mol of aluminum sulfide
b) 1.91 x 1023 molecules of benzene, C6H6
4) Calculate the volume of the following gases: a) 4.29 mol of nitrogen dioxide
b) 4.16 g of ammonia, NH3
5) Calculate the number of atoms of the following: a) 38.9 L of water
b) 163 g of HNO3
6) Calculate the percent composition of each element in the following compounds. a) Potassium carbonate
b) Nickel (II) chlorite
7) Calculate the mass in grams of Fluorine in each of the following: a) 104.7 g of AlF3
b) 625 g of NH4F
8) A compound was analyzed and found to have the following percentage composition: hydrogen, 2.056%; sulfur, 32.69%; oxygen, 65.26%. Calculate the empirical formula of the compound
9) A compound consists of 40.0% C, 6.7% H, and 53.3% O on a mass basis and has a molar mass of approximately 180.1 g/mol. Determine the molecular formula of the compound.
