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A pure gold ring and pure silver ring have a total mass of 15.1 g ....

A pure gold ring and pure silver ring have a total mass of 15.1 g . The two rings are heated to 67.4 ∘C and dropped into a 12.7 mL of water at 22.8 ∘C. When equilibrium is reached, the temperature of the water is 24.9 ∘C.

Part A: What is the mass of gold ring? (Assume a density of 0.998 g/mL for water.)

Part B: What is the mass of silver ring? (Assume a density of 0.998 g/mL for water.)

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