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To answer this question you need the molecular weight of CoCl2.

CoCl2 molecular weight is 129.84 g/mole

230g CoCl2 divided by the molecular weight

230 g / 129.84 g/mole = 1.77 moles of CoCl2

Multiply the moles by Avagodro's number

1.77 mole * 6.022 X 1023 molecules/mole = 1.07 X 1024 molecules of CoCl2

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14y ago

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