cathedryl77741 cathedryl77741 14-02-2024 Chemistry contestada 50gm of sample of Ca(OH)₂ is dissolved in 50 ml of 0.5N HCl solution. The excess HCl was titrated with 0.3N NaOH. The volume of NaOH was 20°c. Calculate the % purity of Ca(OH)₂.