6.02 * 1020molecules of a substance weigh 44mg. what is the molar mass of the substance?

6.02×1020 molecules weighs = 44 mg = 44×10-3 g
6.022× 1023 molecules weigh = 44×10-36.02×1020×6.022×1023  = 44 g
Hence , the molecular mass of the substance is 44 g.

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