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lf 20 g of calcium carbonate is added to a solution containing 20 g of HCl. What substances will be present when the reaction is over and what quantity of each of them will be present there? |
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Answer» Reaction: CaCO3 + 2HCl → CaCl2 + CO2 + H2O 100g 73g 20g 20g ∵ 100 g CaCO3 require 73 g HCl ∴ 20 g CaCO3 require 73/100 x 20 = 14.6 g HCl Thus, when the reaction is over 5.6 g of HCI present. |
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