Question

ОЇ
ii) 100ml of water sample requires 18ml of EDTA solution
for titration. 22 ml of the same EDTA was required
for the titration of 100 ml of standard hard water
containing 1g CaCO, per liter. Calculate the hardness of
water in ppm.
stimation of hardness of water by EDTA​

Answer 1

Answer:

100 ml of water sample requirement for EDTA then titaration is 1g CaCo