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How much of rock in kg must be processed to obtain lead

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Reference no: EM13845377

Question:

1-A mixture of 56.0 g of S and 1.00×102 g of Cl2 reacts completely to form S2Cl2 and SCl2 . Find the mass of S2Cl2 formed.

2-Lead is found in Earth's crust as several different lead ores. Suppose a certain rock is composed of 38.0% PbS (galena), 25.0% PbCO3 (cerussite), and 17.4% PbSO4 (anglesite). The remainder of the rock is composed of substances containing no lead.

How much of this rock (in kg ) must be processed to obtain 5.5 metric tons of lead? (A metric ton is 1000 kg .)

Express your answer using two significant figures.

Reference no: EM13845377

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