7) Calculate the following quantities. a) Moles of SO3 in 4.700grams of SO3 [0.05870 mol] b) Grams of 0.470 mole of Na2S2O3 [74.3 g] c) Grams of sulfur in 47 grams of Ca(HSO3)2 [14.9 g] d) Atoms of oxygen in 0.047 moles of Cr(SO3)3 [2.51023 atoms ] 8) Given 9.351022 molecules of Cl2O7, calculate the following quantities. a) Grams of Cl2O7 [28.4 g] b) Moles of oxygen [1.09 mol] 1) The speed of light in vacuum is 2.99792108m/s. How many minutes does it take for light to travel from the sun to earth when the distance from sun to earth is 93 million miles? (1 mile =1.609 kilometers) [8.3 mins] 2) The radius of a barium atom is 2.21010m and a mass of 2.31022g. a) What is the volume of the atom in nm3. Volume =(4/3)r3 [0.045nm3] b) What is the average density of a barium atom in g/cm3 ? [5.2g/cm3] c) Identify the intensive and extensive measurements in this