Question

2. Four samples of water are collected at Kunchanapalli (KB), Gundimeda
(GM), Vaddeswaram (VB) and the other at Green Fields (GF). 100 ml of the
each water sample collected at KB, GM, VB, and GF requires 24, 18, 15, 10
mL of EDTA solution on titrations RESPECTIVELY. 100 ml of SHW (0.28
gms of CaCO3 per liter) requires 12 ml of EDTA solution on titration.
Calculate and compare the degree of hardness
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Answer 1

Answer:

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Explanation:

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