(b) The mass fraction of Fe3C in a Fe-C alloy at 1148 °C is
29.17%. This alloy is slowly cooled down from 1148 °C to 600 °C.
What is the mass fraction of Fe3C at 600 °C? (5 marks)
(b) The mass fraction of Fe3C in a Fe-C alloy at 1148 °C is 29.17%. This alloy is slowly cooled down from 1148 °C to 600
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