Mass of 1 mole of Krypton or molar mass of Krypton = 83.798 g/ mole
So mass of 6.20 moles of Kr- atoms
= 83.798 g/mole × 6.20 mole
= 519.5 g
llations and the Chemical Equdum 3 attempts left Check my work What is the mass, in...
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