What reagent can be used to eliminate non-carbonate water hardness?

univerkov | September 16, 2021 | education

What reagent can be used to eliminate non-carbonate water hardness? Write molecular and ionic reaction equations.

СаСl2 + Na2CO3 = CaCO3 + 2NaCl
Ca(2+)+2Cl(1-)+2Na(1+)+CO3(2-) = Ca(2+)+CO3(2-)+2Na(1+)+2Cl(1-)
MgSO4 + Na2CO3 = MgCO3 + Na2SO4
Mg(2+)+SO4(2-)+2Na(1+)+CO3(2-) = Mg(2+)+CO3(2-)+2Na(1+)+SO4(2-)

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