Chemistry Mole Concept Solution: 6.02 x 10 21 molecules of an unknown substance X h...

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Solution: 6.02 x 10 21 molecules of an unknown substance X has a mass of 2.00 grams. What is the molar mass of X in g/mole? (A) 0.02 g/mol (B) 0.2 g/mol (C) 20 g/mol (D) 200 g/mol (E) 2000 g/mol