Question

Chemical equation for removing hardness of water by washing soda

Answer 1

Answer:

CaSO4 + Na2CO3 - CaCO3 + Na2SO4

Answer 2

Answer:

sodium carbonate Na2Co3 is also known as washing soda. It can remove temporary and permanent hardness from water .

Explanation:

Ca2+(aq)+Na2Co3 (aq) -------> CaCo3+ 2 Na + ( aq)

calcium ions + sodium carbonate -------> calcium carbonate + sodium ions