Chemistry, asked by vinaybadmore, 8 months ago

120g of impure Ca(OH)2 is strongly heated upto a constant mass, librates water vapours which are collected at room temperature. It's volume becomes 18ml (density 0.9g/cc) . Find% purity of Ca(OH)2

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Answered by adilakhtar8712

Answer:

A 0.3120-g sample of impure Ca(OH)2 is dissolved in enough water to make 36.90 mL of solution. 20.00 mL of the resulting solution is then titrated with 0.2302-M HCl. What is the percent purity of the calcium hydroxide if the titration requires 13.88 mL of the acid to reach the endpoint

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