Chemical Engineering > GATE 2025 > Extraction
Oil is extracted from mustard seeds having 20 wt% oil and 80 wt% solids, using hexane as a solvent. After extraction, the hexane-free residual cake contains 1 wt% oil. Assuming negligible dissolution of cake in hexane, the percentage oil recovery in hexane is ______ % (rounded off to the nearest integer)
Correct : 95
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