Question

Write the name of elements and number of atoms present in each compound.
16]
Compound
Elements
No. of atoms of each
element
KNO
H-SO
Caco.​

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.

2. Hydrogen and oxygen combine in the ratio of 1 : 8