Question

formulas of ch atoms and molecules of class 9 plz?​

Answer 1

Answer:

Sodium carbonate + Ethanoic acid → Sodium ethanoate + Carbon dioxide + Water

5.3 g + 6 g → 8.2 g + 2.2 g + 0.9 g

LHS RHS

11.3 g = 11.3 g

(Mass of reactant) (Mass of product)

This shows, that during a chemical reaction mass of reactact = mass of product.

Explanation:

hope this will help you frnd

Answer 2

MOLECULES OF ELEMENT : The molecules of an element are constituted by the same type of atoms. ATOMICITY : The number of atoms contained in a molecule of a substance (element or compound) is called its atomicity.


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