The mole of oxygen are formed from KMNO3 is 0.724 mol.
calculation:-
Given the mass of KNO3 KNO3 is 82.5g
The molar mass is 101.11 g/mol.
Mole of KNO3 = 82.5g/ 101.11 g.
0.724 mol
From the balanced equation, it is clear that for every 1 mole of KNO3 K N O 3 = 54 moles of oxygen are required.
Therefore, 0.724 mol of oxygen is required for forming 82.5 g of KNO3 KNO 3.
The formula mass of a substance is defined as the sum of the atomic masses of the atoms that make up the ionic compound. It is generally used for ionic compounds that do not contain individual molecules but contain ions as building blocks. Mass can be defined as a measure of the amount of matter in the body. Weight is a measure of weight acting on the mass. The SI unit of mass is the kilogram.
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