How many grams of malachite were present in the mixture

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Reference no: EM13774714

Consider the reaction: CuCO₃.Cu(OH)₂(s) → 2CuO(s) + H₂O(2) + CO₂(g)

1. What is the molar mass of CuCO₃.Cu(OH)₂?

2. What total mass of H₂O and CO₂ will be produced when 1.000 mole of CuCO₃Cu(OH)₂is decomposed?

3. A 23995 g mixture containing malachite and an inert ingredient lost 02997 g of H₂O and CO when decomposed by heating to constant mass.

a. How many moles of malachite in the mixture produced this mass of CO₂ and H₂O?

b. How many grams of malachite were present in the mixture?

c. What mass percent of malachite was in the mixture?

4. What do you predict would happen if the crucible were placed on the laboratory bench rather than in the desiccator while it cooled?

Reference no: EM13774714

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