Question

If 1 L 1 mg of CaCl, and 12 mg.of MgSO4 are
present in 2 L of water, what is its hardness (in gram)
CaCO3/ppm)?
(a) 5
(b) 10
(c) 15
(d) 203​
pls answer this...

Answer 1

Explanation:

the correct answer is b .10 .

hope this will help you with the value..m