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Stardusttrailing

That would be, 75.39075 grams of iron.

Multiply 1.35 mol Fe by the atomic mass of Iron(Fe) which is 55.845, and your answer is 75.39075. With sig figs it is 75.4

adioabiola

The mass of 1.35 moles of Fe is; 75.4 grams.

According to the question;

  • We are required to determine the mass in grams of 1.35 mol Fe.

The mass of one mole of Fe otherwise referred to as its molar mass is;

Molar mass of Fe = 55.845 g/mol

From the relation;

  • Mass = No. of moles × Molar mass

  • Mass = 1.35 × 55.845

  • Mass = 75.4 grams.

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