Question

pls explain Clark's method.

Answer 1

$1 \times 1 \times 2x =$
this is the formula of Clark's method

Answer 2

Answer:

Clark's method of hardness removal is a temporary hardness removal method. In this method some amount of calcium hydroxide is added to the hard water, because of that some insoluble carbonates are found, which are separated through the method of filtration.

$Ca(HCo_3)_2+Ca(OH)_2→2CaCO_3↓+2H_2O$