marissaloomis2003 marissaloomis2003 13-10-2022 Chemistry Answered Bronze is an alloy of copper (density 8.96 g/mL) and tin (density 7.30 g/mL). An antique bronze coin has a mass of 12.479 g. The coin was found to displace 1.415 g of water. The temperature of the coin and water was 23°C.