mass crown - 2,650 grams.
volume crown = 145 mL
density = m/v = 2,650/145 = 18.3 g/mL. It isn't pure Au.
A crown is determine to weigh 2.65 kg. When this crown is submerged in a full basin of water, the overflow is found to be 145 mL. Is the crown pure gold or a gold-silver alloy? The density of silver is 10.5 g/mL and gold that of gold is 19.3 g/mL
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