1.

co, +2HCICaC, +H2O+CO2 The mass of calcium chloride formed whcium carbonate are dissolved in excess of hydrochloric acid is

Answer»

1 mole of Calcium carbonate forms = 1 mole of calcium chloride

No. of moles of Calcium carbonate = 2.5/100 = 0.025 moles

0.025 moles of calcium carbonate will produce = 0.025 moles of calcium chloride.

Mass of calcium chloride = molar mass x no. of moles = 110.98 x 0.025 = 2.7745 g



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