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## an ore contains 12% copper how many kilograms of

Let the total quantity of the ore be 'x' kg So, 12 % of that ore is copper. According to the question. (x*12)/100 = 69 12x/100 = 69 3x/25 = 69 3x = 69*25 3x = 1725 x = 1725/3 x = 575 kg So, 575 kg ore is required to get 69 kg of copper. Answer.

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Porphyry copper ore deposits are formed by concentration of copper within a granite stock during the ascent, chalcopyrite in this environment is produced by concentration within a magmatic system. Chalcopyrite is a mineral in Kambalda type komatiitic nickel ore

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## An ore contains 12% copper how many kilograms of the ore ...

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A copper ore contains 2.37% Cu2S by mass.If 5.60 x 10^4 Kg of this ore3 is heated in air,compute the mass of copper metal that is obtained and the volume of SO2 gas produced at 755 torr ad 23.5 0C .

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Apr 12, 2016· Now all the copper in this 50 mL came from the 30 mL you put in, so in 30 mL of the original solution, you have 2.32 mg of copper. You took 30 mL from 250 mL. This is a factor of 250/30 = 8 1/3. So the original solution (with 1.71 g copper ore) contains 2.32 × 8 1/3 = 19 1/3 mg copper.

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A statistical approach to the experimental design of the ... The Igarapé Bahia ore contains copper oxide ... The results obtained were 75.5% copper ...

- Published in: Brazilian Journal of Chemical Engineering · 2003Authors: F D Mendes · A H MartinsAffiliation: Universidade Federal De Minas GeraisAbout: Copper · Sulfuric acid
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## How many kg of 0.862% of chalcopyrite ore (CuFeS2) will

Feb 21, 2010· Atomic weights: Cu sixty 3.fifty 5, Fe fifty 5/85, S 32.06 Molecular weight: CuF3S2 183.fifty two the load ratio of CuFeS2 to Cu is 183.fifty two/sixty

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Jun 07, 2011· So you calculate the amount of copper you have before for example: If you have 1kg of copper ore that contains 30% copper you have 0.3kg of copper before. Then lets say you get 0.23kg of copper from the ore you can work out the percentage yield of copper by dividing how much you had after by the amount before and

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