Question

20 ml
of
standard caco3 (15 g / litr) solution required
EDTA of solution. 100 ml of
25 ml
water sample
100 ml
water
required 18 ml of standard EDTA solution. The same
of water sample after bolling required 12 ml
standard EDTA solution, calculate the tempamory,
periminent Hardness of the
water sample?​

Answer 1

Answer:

The Temporory Hardness Of Water = 720 ppm