Question

PROBLEM !!
A sample of water contains 120 mgs of
MgSO4 per
létre. calculate the hardness interms
of caco3, equivalents​

Answer 1

Explanation:

Given that the water sample contains 0.001 mol of MgSO

4

per litre of water.

Therefore, the hardness of water sample is

1000

0.001×100

×10

6

=100 ppm.