calculate lime and soda required for softening of 10000L of water sample having calcium hardness 450mg/l as CaCO3 magnesium 150mg/l as CaCO3 and total alkalinity=400mg/l as CaCO3.

calculate lime and soda required for softening of 10000L of water samp

1.	calculate lime and soda required for softening of 10000L of water sample having calcium hardness 450mg/l as CaCO3 magnesium 150mg/l as CaCO3 and total alkalinity=400mg/l as CaCO3.
Answer» f x moles of NaCN have to be ADDED to 5 L of water to dissolve 0.5 MOLE Fe(OH)3 in the form of Fe(CN)6 then calculate the value of x/13.25 ( GIVEN: ksp of Fe(OH)3 is 2.7×10^-39 . KF =10^30