Purchase Solution

Water processing problem

Not what you're looking for?

Ask Custom Question

Write the reaction between ferric chloride and lime slurry that results in precipitation of Fe(OH)3. For a dosage of 40 mg/l FeCl3: What is the required stoichiometric addition of lime expressed as CaO? How many pounds of Fe(OH)3 are produced per million gallons of water treated?

Purchase this Solution

Solution Summary

The solution is given step-by-step with explanation.

Solution Preview

First need to realize that this is a slurry of CaO therefore it is in water.

Second have to balance mass and charge in the reactants and products.

I obtain

2FeCl3 + 3CaO + 3 H20 = 2 Fe(OH)3 + 3 CaCl2

The stoichiometric addition is 3 moles lime for 2 moles Ferric Chloride. Where a mole is Avogadro's number.

Here is ...

Purchase this Solution

Free BrainMass Quizzes
Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.


The quiz helps in revising basic concepts about thermochemistry.

General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.

Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.