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Doctors Medicines MCQs Q&A

Calculate the PH of solution in which 0.37 g of Ca(OH)2 dissolve into water to give 500 ml of solution.

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1 Answers

moality of Ca(OH)2 = 0.37/74x1000/500 

 = 0.05M 

 PH = - log(H+ ) 

 =- log( 0.05) 

=0.301

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