Question

Calculate the number of atoms of hydrogen, oxygen and sulphur in 0-2 mole of sulphuric acid (H2SO4)?​

Answer 1

Answer:

Avogadro’s Number (after Amadeo Carlo Avogadro 1776 – 1856) is the number of molecules contained in 1 mole of a substance. That number is 6.022 x 10^23.

So, in this case, we have 0.2mol of H2SO4, which contains 0.2 x 6.022 x 10^23 = 1.2044 x 10^23 molecules.

Each molecule contains 2 hydrogen atoms, so there are 2 x 1.2044 x 10^23 = 2.4088 x 10^23 atoms of hydrogen.

Similarly, there are 1.2044 x 10^23 atoms of sulfur and 4.8176 x 10^23 atoms of oxygen.