How many liters of 0.85 M HCl solution would react completely with 3.5 moles Ca (OH) 2?

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Chemistry

Beatrice Carroll

25 February, 10:15

How many liters of 0.85 M HCl solution would react completely with 3.5 moles Ca (OH) 2?

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Ciara · Answer 1

The reaction of Ca (oH) 2 with HCl produces calcium chloride (CaCl2) and water (H2O). The stiochiometric equation is 2HCl + Ca (OH) 2 = CaCl2 + 2H2O. In this case, 2 moles of HCl stoichiometrically reacts with one mole of calcium hydroxide. Hence for 3.5 moles of Ca (OH) 2, there should be 1.75 moles of HCl needed. Given 0.85 M HCl, to get the volume, we divide 1.75 moles by 0.85 M. The volume needed is 2.0588 liters.