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A prospector finds a solid rock composed of granite (ρρ = 2560 kg/m3) and gold. The...

A prospector finds a solid rock composed of granite (ρρ = 2560 kg/m3) and gold. The volume of the rock is 3.40×10−4 m3, and its mass is 3.80 kg.

Part A: What mass of gold is contained in the rock?

Part B: What percentage of the rock is gold by volume?

Part C: What percentage of the rock is gold by mass?

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