What would be the mass, in grams, of 3.50 x 1025 molecules of chlorine?

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An electrons position cannot be known precisely only it's probability of being in a certain location can be known

The boiling point of liquids is very high what does it indicate

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm