Chemistry 5070 · O Level · Relative masses of atoms and molecules

Relative masses of atoms and molecules — practice question

Iron may be obtained from the ore hematite. What is the greatest mass of iron that can be obtained from 500 kg of hematite? $[A_r: \text{O}, 16; \text{Fe}, 56]$

  • A160 kg
  • B240 kg
  • C350 kg
  • D420 kg

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