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An alloy containing 8 cm3 of copper and 7 cm3 of tin has a mass of 121g A second alloy contains 9 cm3 of copper and 11 cm3 of tin and has a mass of 158 g Find the density of copper and tin in gcm?
Wiki User
∙ 15y ago
To obtain the answer, use these algebraic equations : 8 cm3 Cu + 7 cm3 Sn =121 g 9 cm3 Cu + 11 cm3 Sn =158 g Analyzing the two equations, we find that 72 Cu + 63 Sn = 1089 g 72 Cu + 88 Sn = 1264 g and 25 Sn = 175 g Sn = 7 Tin has a density of 7 g/cm3 and Copper has a density of 9 g/cm3.
Wiki User
∙ 15y ago
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