Calculating Molar Mass Video Lessons

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# Problem: 6.02 x 1021 molecules of an unknown substance X has a mass of 11.0 grams. What is the molar mass of X in g/mole? (A) 110 g/mol (B) 220 g/mol (C) 1100 g/mol (D) 2200 g/mol (E) cannot be determined without the formula of X

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6.02 x 1021 molecules of an unknown substance X has a mass of 11.0 grams. What is the molar mass of X in g/mole?

(A) 110 g/mol

(B) 220 g/mol

(C) 1100 g/mol

(D) 2200 g/mol

(E) cannot be determined without the formula of X

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Based on our data, we think this problem is relevant for Professor Cohen-Fray's class at UTOLEDO.