Class 11

The ratio of the number of moles of one component to the total number of moles of all the components (solute and solvent) present in the solution is known as the mole fraction. It is denoted by the Greek letter X (Chi), and the sum of all mole fractions in a solution always equals one. […]

An extremely significant component of applied sciences is the investigation of these chemicals and how their composition plays a vital role in our everyday lives and activities. When we talk about atoms and their properties, the concept of a mole is brought into consideration.   To establish the concept of a mole, we will first discuss

If we’re talking about particles at the atomic (or molecular) level, it’s well known that even one grain of a pure element has a significant number of atoms. This is one of the most common applications of the mole notion. In particular, it concentrates on the unit known as a ‘mole,’ which represents the total

The mole concept is a convenient way of expressing the amount of a substance in a given amount of space. Almost any measurement can be broken down into two parts: the numerical magnitude and the units in which the numerical magnitude has been expressed. The magnitude of 2 kilogrammes is represented by the number ‘2’,

Introduction  The term “Mole” was first introduced by Wilhelm Ostwald. The mole concept connects the macroscopic to the molecular or atomic level. As it connects these levels, it allows chemists to weigh and count atoms or molecules. With the help of moles, it becomes easy to measure large objects like elephants by counting and small

Molar concentration (also known as molarity, quantity concentration, or substance concentration) is a measurement of a chemical species’ concentration in a solution in terms of the amount of substance per unit volume of solution. The number of moles per liter, abbreviated as mol/L or moldm3 in SI units, is the most often used unit for

 In contrast, molality (m) is a measurement of the number of moles of solute per kilogramme of solvent. The units of molarity and molality are the two most commonly used for determining the concentration of solutions in solutions. Normality, mass percent, mole fraction, formality, volume percent, and other units are also used in mathematics. When

Introduction Scientifically, we can say that molarity is the moles of solute per litre of the solution. It is a ratio of the total number of moles of solute in the solution per litre. Molarity is a unit used to measure the concentration of the dissolving substances in a solution. It is named after a

“Colligative” has been derived from the Latin word “colligates”, which mainly means “bound together”.  These properties do not depend on the solution component’s chemical nature. Several qualities convey the concentration of a solution, like morality, polarity, and normality. Therefore these colligative properties can be linked.  Overview of Molality The amount of solute moles available or

Molality is the unit of several moles of a solution corresponding to 1kg or 1000 g solvent. This molality is based on a specific volume of solution. Molality is a commonly used unit in chemistry, mostly known as mol or kg. A concentration of 1mol/ kg is also known as 1 molal. However, the molar