Question

one atom of iron weights​

Answer 1

There actually are simple... To find the mass of 1 atom of iron, you know that 1 atom of iron = 55.845 atomic mass units/amu. One amu is equal to 1.66 x 10-27 kg, (commonly, 1.66 x 10-27 g). Set up your equation so that the units cancel out.

Answer 2

Answer:

For Fe atoms molar mass = 56 g/mole. 1 mole = 6.023 × 1023 atoms 56 g = 6.023 × 1023 atoms 1 atom weighs = 566.023 × 1023 g = 9.3 × 10-23 g

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