write balanced chemical equation for the removal of permanent hardness and temporary hardness
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The removal of permanent hardness of water is done by washing soda(sodium carbonate decahydrate)
Na2CO3 + 10H2O---------> Na2CO3.10H2O
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The removal of permanent hardness of water is done by washing soda(sodium hydrogen carbonate or sodium bicarbonate)
Na2CO3 + 10H2O -> Na2CO3.10H2O
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