Tag: Gaseous solutions

Ideal and Non-Ideal solutions

Post author By Hemant More
Post date January 31, 2020
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Science > Chemistry > Solutions and Their Colligative Properties > Ideal and Non-Ideal Solutions In this article, we shall study two types of solutions first, those obeying Raoult’s law called ideal solutions and those not obeying Raoult’s law called non-ideal solutions. Ideal Solutions: The solutions which obey Raoult’s law over the entire range of concentration […]

Physical Chemistry

Short-cut Methods For Calculating Concentration of Solutions

Post author By Hemant More
Post date January 30, 2020
3 Comments on Short-cut Methods For Calculating Concentration of Solutions

Science > Chemistry > Solutions and Their Colligative Properties > Short-cut Methods For Calculating Concentration of Solutions In this article, we shall study short-cut methods to calculate molality, molarity, etc. These methods can only be used in competitive exams only. Direct Formulae to Calculate Molality and Molarity: Where M = molarity in mol L-1 or […]

Physical Chemistry

Numerical Problems on Molality

Post author By Hemant More
Post date January 30, 2020
23 Comments on Numerical Problems on Molality

Science > Chemistry > Solutions and Their Colligative Properties > Numerical Problems on Molality In this article, we shall study numerical problems to calculate molality of a solution. Example – 01: 7.45 g of potassium chloride (KCl) was dissolved in 100 g of water. Calculate the molality of the solution. Given: mass of solute (KCl) […]

Physical Chemistry

Numerical Problems on Molarity

Post author By Hemant More
Post date January 29, 2020
6 Comments on Numerical Problems on Molarity

Science > Chemistry > Solutions and Their Colligative Properties > Numerical Problems on Molarity In this article, we shall study numerical problems to calculate the molarity of a given solution. Example – 01: A solution of NaOH (molar mass 40 g mol-1) was prepared by dissolving 1.6 g of NaOH in 500 cm3 of water. […]

Physical Chemistry

Concentration of Solution

Science > Chemistry > Solutions and Their Colligative Properties > Concentration of Solution The concentration of a solution is the measure of the composition of a solution. For a given solution, the amount of solute dissolved in a unit volume of solution (or a unit volume of solvent) is called the concentration of the solution. […]

Physical Chemistry

Numerical Problems on Mole Fraction

Post author By Hemant More
Post date January 29, 2020
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Science > Chemistry > Solutions and Their Colligative Properties > Numerical Problems on Mole Fraction In this article, we shall study to solve problems to calculate mole fraction of solute and solvent. Example – 01: 23 g of ethyl alcohol (molar mass 46 g mol-1) is dissolved in 54 g of water (molar mass 18 […]

Physical Chemistry

Numerical Problems on Percentage by Mass

Post author By Hemant More
Post date January 29, 2020
7 Comments on Numerical Problems on Percentage by Mass

Science > Chemistry > Solutions and Their Colligative Properties > Percentage Composition In this article, we shall learn to calculate percentages by mass and percentage by volume of a solution. Problems on Percentage by Mass Example – 01: 6 g of urea was dissolved in 500 g of water. Calculate the percentage by mass of […]

Physical Chemistry

Solid and Liquid Solutions

Post author By Hemant More
Post date January 29, 2020
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Science > Chemistry > Solutions and Their Colligative Properties > Solid and Liquid Solutions In this article, we shall study solid and liquid solutions and the concept of solubility curves. A solution of Solids in Liquids: The dissolution of any substance in a liquid to form a solution is governed by the basic principle that […]

Physical Chemistry

Solutions and Their Types

Science > Chemistry > Solutions and Their Colligative Properties > Solutions and Their Types In this article, we shall study the concept of solutions and their types based on phases, composition, etc. The Terminology of Solutions: Solution: A solution is a homogeneous mixture of two or more than two or more components. A solution has […]