Tati1345 Tati1345

22-10-2020
Chemistry

contestada

Determine the mass of 3.45 moles of Cobalt.

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22-10-2020

Answer:

203g

Explanation:

Multiply #moles by cobalt's molar mass:

molar mass= 58.9332g/ 1 mole)

3.45 mole Cobalt (58.9332g/ 1 mole)= 203g <-- 3 significant figures

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