Husain's Chemistry
Husain's Chemistry
3.57692307692307740 reviews

Hi I am a trained senior teacher for chemistry and have experience in teaching IGCSE,Edexcel, IB, A level, Victorian curriculum and CBSE. I have written lecture notes explaining the concepts in chemistry chapter wise that gives a clear idea to new teachers and students about how to apply these concepts these concepts in solving exam questions. I have some excellent resources for new chemistry teachers and new form teachers of primary and secondary classes.

pdf, 1.63 MB
pdf, 1.63 MB

This resource I use to teach my IB and A Level Students about moles and stoichiometric relationships.

Contents-
States of Matter
Laws of Chemical Combination
Naming of Ionic and Covalent Compounds
Valencies of common ions
Mole Concept
• The mole is a fixed number of particles and refers to the amount, n, of substance.
• Masses of atoms are compared on a scale relative to 12C and are expressed as relative atomic mass (Ar) and relative formula/molecular mass (Mr).
• Molar mass (M) has the units g mol-1.
• The empirical formula and molecular formula of a compound give the simplest ratio and the actual number of atoms present in a molecule respectively.
• Calculation of the molar masses of atoms, ions, molecules and formula units.
• Solution of problems involving the relationships between the number of particles, the amount of substance in moles and the mass in grams.
• Interconversion of the percentage composition by mass and the empirical formula.
• Determination of the molecular formula of a compound from its empirical formula and molar mass.
• Obtaining and using experimental data for deriving empirical formulas from reactions involving mass changes.

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£5.00