An alloy contain 30%copper 42%nickeland rest zinc.find the mass of zink in 1kg of alloy
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Percentage of zinc in alloy = 100% - (30% + 42%) = 26%
26% of 1 kg = 26/100 × 1 kg = 0.26 kg = 260 g
∴ 260 g of Zinc is present in 1 kg alloy
26% of 1 kg = 26/100 × 1 kg = 0.26 kg = 260 g
∴ 260 g of Zinc is present in 1 kg alloy
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