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Preparation of Colloidal Sols
For the preparation of lyophilic and lyophobic sols different methods are us..
Strength of a Solution
Strength of a Solution - Strength of a solution is defined as the amount of the solute in gms, present in one litre of the solution. It is expressed as gL - 1 . Mathematicall..
Strength of a Solution
Strength of a solution is defined as the amount of the solute in gms, present in one litre of the solution. It is expressed as gL - 1..
Concentration of a Solution
Mass Percentage or Volume Percentage - The mass percentage of a component in a given solution is the mass of the component per 100g of the solution. For e.g., if W A is the mass of the component A, W B is the mass of the component B in a solution. The..
Concentrated solutions and dilute solutions
Between two solutions, the solute quantity may be relatively more or less. The solution that has a greater proportion of solute is said to be more concentrated than the other that has a lesser proportion. If the proportion of solute is les..
Concentration
Nitric acid can be concentrated up to 68%. It cannot be concentrated beyond this percentage by simply boiling because the aqueous solution of this concentration of nitric acid forms a constant boiling mixture at 121 o C. However, the acid can be further ..
Methods to Express Solution Concentration
Other Methods of Expressing Concentration of Solution - Molality is defined as the number of moles of solute dissolved per 1000 g (1 kg) of solvent. Molality is expressed as 'm'. Mole Fraction is the ratio of number of moles of one component to the total number of mole..
Other Methods of Expressing Concentration of Solution
Molality is defined as the number of moles of solute dissolved per 1000 g (1 kg) of solvent. Molality is expressed as 'm'. ..
(iv) Acidic strength
In gaseous state, hydrogen halides are covalent. But in aqueous solutions, they ionize and behave as acids. The acidic strength of these acids decreases in the order: HI > HBr > HCI > HF Thus, HF is the weakest acid and HI is the strongest acid among these halogen hydrides. Exp..
Solution
The mixture of lead sulphide and Zinc sulphide ores are concentrated by the method of electrostatic concentration. The powdered ore is fed upon a roller in a thin layer and subjected to the influence of a electrostatic field. Lead sulphide being a good conductor gets charged im..
Result
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