Question

calculate the number of moles in 7.85g of Fe​

Answer 1

Explanation:

To convert grams into number of moles, divide by the molar mass also called standard atomic weight. This is found on the periodic table. For Fe, it's 55.845 g/mol. So 7.85 / 55.845 = 0.141 mol.

Answer 2

Answer:

To convert grams into number of moles, divide by the molar mass also called standard atomic weight. This is found on the periodic table. For Fe, it's 55.845 g/mol. So 7.85 / 55.845 = 0.141 mol.

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