Metallurgical Engineering > GATE 2022 > Phase
The equilibrium microstructure of an alloy A-B consists of two phases α and β in the molar proportion 2:1. If the overall composition of the alloy is 70 mol% B and the composition of β is 90 mol% B, the composition of α is _______ (in mol% B) (round off to the nearest integer).
Correct : 60
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