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The gram atomic/molar mass of cobalt is 63.546. Multiplying this number by 0.0489 yields the answer of 3.11 grams, to the justified number of significant digits.

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14y ago
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11y ago

1 mole Co = 58.933200g Co

0.0489mol Co x 58.933200g/mol = 2.88g Co

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10y ago

To get the mass in grams of 0.0483 mol of iron you need to get its volume as well.

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Q: What is the mass in grams of 0.0489 mol cobalt?
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