Chemistry, 29.10.2019 02:31 veerdenz2099

How much chalcopyrite had to be mined to produce 100 pennies if reaction 1 had a percent yield of 64.00 % and all other reaction steps had yield of 100%?

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How much chalcopyrite had to be mined to produce 100 pennies if reaction 1 had a percent yield of 64...