Answer to Question #171230 in Organic Chemistry for munja kale

Question

if 5% nacl solution use to regeneration of zeolite,it is capable to removing.....mg caco3 equivalent hardness per lit

Answer 1

If the efficiency is considered 100%, then

n(Na) = 0.0855 mol

n(Ca) = 0.0855 / 2 = 0.0428 mol

m(CaCO₃) = 4.28 g = 4280 mg

Answer: 4280 mg.