When two or more atoms combine molecule is formed. Hydrogen, oxygen, and nitrogen gases consists of molecules in which atoms of same elements combine to give ...

Mole Concept and Stoichiometry – Summary Notes. Gases have some properties which differentiate them from other states of the matter, i.e., solids and liquids ...

Atoms are conserved, moles of atoms shall also be conserved in a chemical reaction (but not in nuclear reactions.) This principle is fruitful for the students ...

One mole of a substance has 6.02×1023 particles. The particles of substances grouped into moles can be molecules, atoms, ions, electrons, radicals, protons or ...

A mole is the amount of a substance that contains as many elementary entities (atoms, molecules or other particles) as there are atoms in exactly 0.012 kg or ...

You can also download Mole concept and Stoichiometry notes PDF at end of the post. 1. Properties of Matter and their Measurements. Anything that possesses ...

The molecular formula is always a simple multiple of the empirical formula. i.e. M.F = n(E.F) where n is a whole number e.g., E.F of glucose is CH2O, whereas ...

A material containing only one type of substance. Pure Substance cannot be seperated into simpler substance by physical method. MOLE CONCEPT. Class 11 Chemistry ...

MOLE CONCEPT. 1. 4.5 g of compound A (MW = 90) was used to make 250 mL of its ... 11. 100 ml of 0.0018% (w/v) solution of Cl– ion was the minimum ...

MOLE CONCEPT - Class 11 PDF Download · A mole is a collection of 6.023 × 10 23 particles, ions, atoms etc. · Avogadro Number (NA). · The number of carbon atoms ...