The molecular weight of vitamin C , C6H8O6 is 176.12 grams over mol What is the mass in grams of 0.000142 mole of vitamin C Express the answer using three significant figures

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Sammy Villoldo · Answer 1 · 2020-01-16T06:00:40+0000

Answer:

0.0250 g.

Step-by-step explanation:

∵ no. of moles (n) = mass / molar mass.

∴ mass of Vitamine C = (n)(molar mass) = (0.000142 mol)(176.12 g/mol) = 0.02501 g = 0.0250 g. "three significant figures"