Question

what is the ratio of molecules in 1 mole of NH3 and 1 mole of HNO3​

Answer 1

To measure the amount of different chemical compounds we use a SI unit which is known as the mole.

And according to the definition of mole we came to know that one mole of any substance contain a universal amount of molecules which is also known as the Avogadro's number. (6.023×10²³)

So the molecule number ratio of one mole amount of different compounds will be always 1:1 because both sides are always universally equal.

Answer 2

1:1 is the ratio of molecules in 1 mole of NH3 and 1 mole of HNO3 on applying Avagadro's number.

Explanation:

Number of molecules or atom in an element or compound can be determined by  Avagadro's number.

Avagadro number tells about the number of atoms in one mole of substance or element.

The SI unit with which the element taking part in a reaction are termed mole.

From the data given in question, number of constituent particle in one mole of NH3 is

n × 6.022 × $10^{23}$

number of 1 mole

1 × 6.022 × $10^{23}$ atoms in 1 mole of NH3.

The number of the particles in 1 mole of HNO3 is

1 × 6.022 × $10^{23}$ atoms of HNO3

The number of atoms in both the atoms is same so dividing the number of atoms of both atoms

6.022 × 10$10^{23}$  ÷  6.022 × $10^{23}$

  1 :1  

Hence, 1 mole of a substance or compound will have 6.022 × 10$10^{23}$ atoms.

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