Question

QueSubIT NO. 39
Max Mark(s): 1.25
Multiple Choice (Select 1 out of 4 options for the question below.)
Calculate the quantities of lime and soda required for softening 25000 litres of water with the following analysis using 20 ppm of sodium
aluminate (NaAlO2) as coagulant: Ca2+ = 85 ppm, Mg2+ = 24 ppm, CO2 = 66 ppm, HCO3 = 270 ppm
Options
0 Lime = 9.48 kg, Soda = 3.42 kg
Lime = 8.49 kg, Soda = 2.42 kg
O Lime = 10.48 kg, Soda = 4.42 kg
O Lime = 7.48 kg, Soda = 2.42 kg​

Answer 1

Answer:

Explanation:

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