APPLIED THERMODYNAMICS D Hreaction = 6D Hf (F) + D Hf (S) - D Hf (SF6) = 6 x 80 + 275 - (-1100) = 1855 kJ
11.0
SOLUTIONS
A Solution is a homogeneous mixture of two or more chemically non-reacting substances called components. The composition of the components can be varied with in certain limits. When two components are present - Binary solution. When three components are present - Ternary solution. When four components are present - Quaternary solution. A component whose physical state is same as that of the resulting solution and that is present in excess is called solvent. The component, which is in lesser quantity, is called solute. Therefore a solution is made up of a solvent and one or more solute. 11.1
Types of Solutions
A solution can be solid, liquid or a gas depending upon the physical state. The various types of solutions are:
In this unit, we will consider only binary solutions and are in liquid state. We will begin with the different ways in which the amount of the solute dissolved in a known amount of the solvent or solution is expressed, i.e., Units of concentration of a solution.
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