Question

7. An ore sample weighing 8.60 kg is found to contain 1.40 kg of copper. a) Calculate the percent copper in the ore. Problem-solving: b) Write the percent value from a) into two conversion factors. __________% Cu % value Two conversion factors _________% Cu (from the answer a) or c) How many kg of copper are there in 125 kg of ore? Solve this by factor-label method using a conversion factor in part b). Problem-solving: _________kg Cu

Answer 1

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