Problem: If 42.6 mL of 0.212  M  HCl solution is needed to neutralize a solution of Ca(OH)2, how many grams of Ca(OH)2 must be in the solution?

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We are asked how many grams of Ca(OH)2 must be in the solution.


2 HCl + Ca(OH)2 → CaCl2 +  2 H2O


Molar Mass Ca(OH)2 = 74.10 g/mol


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If 42.6 mL of 0.212  M  HCl solution is needed to neutralize a solution of Ca(OH)2, how many grams of Ca(OH)2 must be in the solution?

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