A pure gold ring and pure silver ring have a total mass of 16.9 g . The two rings are heated to 72.2 ∘C and dropped into a 13.5 mL of water at 21.8 ∘C. When equilibrium is reached, the temperature of the water is 24.4 ∘C.What is the mass of gold ring? (Assume a density of 0.998 g/mL for water.)What is the mass of silver ring? (Assume a density of 0.998 g/mL for water.)

Question

A pure gold ring and pure silver ring have a total mass of 16.9 g . The two rings are heated to 72.2 ∘C and dropped into a 13.5 mL of water at 21.8 ∘C. When equilibrium is reached, the temperature of the water is 24.4 ∘C.
What is the mass of gold ring? (Assume a density of 0.998 g/mL for water.)
What is the mass of silver ring? (Assume a density of 0.998 g/mL for water.)

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