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If 2 moles of a substance described by the molecular formula CaCl2.4H2O is completely decomposed into Ca, Cl2 and H2O: 1.1. How many moles of Ca would we have?

1.2. How many moles of H2O would we have? 1.3. How many moles of Cl2 would we have? 1.4. What mass of Cl2 would this correspond to?

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