# Stoichiometry

## How to Calculate Moles

Mole in Chemistry In Science, the concept of a mole is usually used to measure the number of particles. Such as a molecule like Helium has an atomic weight of an atom is 4.002602 and replacing with a complex molecule like sucrose (C12H22O11) has an atomic weight of 342.30 so here the value of a …

## Chemistry Class 11 Stoichiometry Notes 2023

Stoichiometry is quantitative chemistry. “Calculations based on the law of conservation of mass, the law of constant composition and balanced chemical equations are known as stoichiometric calculations.”  Stoichiometry Class 11th Important Stoichiometry Definitions: Matter: Anything that has volume, as well as mass, is called matter. Mass: The quantity of matter in a body is called …

Chemistry Chapter Stoichiometry Notes ( Full Chapter 1) Some basic concepts of chemistry Watch Now !! -> What is an atom? -> Ion and its types -> Difference between cation and anion? -> How molecular ions are formed? -> Why Ammonium Ion is not a Molecular Ion? Also Watch !! -> Monoatomic,Diatomic and Polyatomic molecules …

## Class 11 Chemistry Chapter Stoichiometry Notes

Class 11 Chemistry Chapter Stoichiometry Notes Stoichiometry is quantitative chemistry. “Calculations based on the law of conservation of mass, law of constant composition and balanced chemical equations are called stoichiometric calculations.”     Science, Society Relationship: Stoichiometry has many applications in human society. It calculates: Concentrations of different substances in a sample. Glucose in the blood …

## Schrodinger Equation-Chemistry Notes

Schrodinger Wave Equation:  In 1926, Erwin Schrodinger, a Austrian Physicist, developed an equation, which is given below and is called Schrodinger equation. Where E = total energy of electrons             V = potential energy             ψ = a wave function (amplitude of wave)             ψ2 = probability of finding electron According to Schrodinger electron shows …

## How to find Excess and Limiting reactants |Reagents | Chemistry

Do you know! You can easily find excess and limiting reactants Firstly, you must know that !! What is Limiting reactant and excess reactant? Limiting Reactant Definition: The reactant which is used up completely and earlier in a chemical reaction is called a limiting reactant. Limiting reactant is also known as limiting reagent . Excess …

## How to Calculate Molecular mass of a Compound

As mass of an element is the atomic mass similarly mass of molecule is called molecular mass of a compound. What is Molecular mass ? Molecular mass is defined as “ the sum of atomic masses of all the atoms present in the molecule “ . To find the molecular mass of a compound ,we …

## Important mcqs Class 11 Chemistry with Answers Chapter wise

Chapter-Wise Multiple Choice Question with brief answers for Class 11 Chemistry: Chapter 1: Basic Concepts of Chemistry Important MCQs Chapter 2 :Structure of Atom Important MCQs (Part 1) Chapter 2 :Structure of Atom Important MCQs (Part 2) Chapter 3 Chemical Bonding Important MCQs (Part 1) Chapter 3 : Chemical Bonding MCQS ( Part 2) More …

## Types of Substances – Elements and Compounds Properties and Types

Substances: A sample of pure matter is called a substance or anything whose composition is uniform throughout and has well-defined physical and chemical properties is called a substance. E.g. Silver, Gold, Water, NaCl, etc. Types of Substances: They are of two types: i) Elements         ii) Compound Element  That pure substance that can’t …