5. Low-melting bismuth alloys are used in automatic fire extinguishers, as solders, fuses in steam power plants, etc. One of these alloys (melting point 47°C) contains 40.95% bismuth, 22.10% lead, 10.65% tin, 8.20% cadmium and 18.10% indium. Calculate the composition of the alloy in mole percent.

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