Answer:
51.15 × 10²³ moles of MnO₄
Explanation:
Given data:
Number of molecules of MnO₄ = 308 molecule
Number of moles of MnO₄ = ?
Solution:
The given problem will solve by using Avogadro number.
It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.
The number 6.022 × 10²³ is called Avogadro number.
For example,
18 g of water = 1 mole = 6.022 × 10²³ molecules of water
1.008 g of hydrogen = 1 mole = 6.022 × 10²³ atoms of hydrogen
For 308 molecules of MnO₄:
308 molecules of MnO₄ × 1 mole / 6.022 × 10²³ molecules of MnO₄
51.15 × 10²³ moles of MnO₄
