Question: THIS IS FOR CHEM PLEASE ANSWER ASAP. An ore contains 36.9 % of the mineral cuprite, Cu2O, which is a source of the element Cu.

THIS IS FOR CHEM PLEASE ANSWER ASAP.

An ore contains 36.9 % of the mineral cuprite, Cu2O, which is a source of the element Cu. How much ore must be processed in order to obtain 31.0 kg of Cu?

A piece of tin wire has a diameter of 0.487 mm. If tin has a density of 7.28 g/cc, how long (in meters) should you cut a piece of wire to obtain 0.0195 moles of tin?

Suppose you make a solution that contains 10.45 g of sodium chloride and 940 g of water. (a) What is the mass % of sodium chloride? (b) If 16.19 mL of your solution weighs 16.287 g,what is the density (in g/cc)?

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