Answer: The mass of osmium is 190.23 g/mol, cesium is 132.9 g/mol and that of krypton is 83.8 g/mol
Step-by-step explanation:
Molar mass is defined as the mass of 1 mole of an element. It is expressed in g/mol.
For the given elements:
Osmium is 76th element of the periodic table having mass of 190.23 u
Molar mass of osmium = 190.23 g/mol
Cesium is 55th element of the periodic table having mass of 132.9 u
Molar mass of cesium = 132.9 g/mol
Krypton is 36th element of the periodic table having mass of 83.8 u
Molar mass of krypton = 83.8 g/mol
Hence, the mass of osmium is 190.23 g/mol, cesium is 132.9 g/mol and that of krypton is 83.8 g/mol