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Grade 11Physical Chemistry

in an experiment 100 ml of tap water is taken from 1000 ml of its stock solution and boiled till the volume becomes 3/4th the precipitate dissolved in 1 ml of 0.1M HCl in another experiment 100 ml of same sample of tap water is boiled with 29 ml of 0.1 N Na2CO3 solution the resulting solution cooled and insoluble material removed the insoluble filtrate required 10 ml of 0.1 N HCl
  1. What will be the permanent hardness of water in ppm
  2. what will the temporary hardness of water be in ppm

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6 Years agoGrade 11
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