Name the sodium salt which is used in the removal of permanent hardness of water how this salt is prepared
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hey mate ur answer below
permanent hardness is removed by zeolites and ion exchangers
zeolites have formula Na2Al2S2O8.xH2o
there is sodium salts that remove hardness is sodium carbonate
hope it helps
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Sodium Carbonate decahydrate, Na2CO3.10H2O
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