Physics, asked by premsingh0659, 5 months ago

mol, kilogram, second ki definition

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Answered by sejalahire2004

1. Mole :- The mole is the unit of measurement for amount of substance in the International System of Units. A mole of a substance or a mole of particles is defined as exactly 6.02214076×10²³ particles, which may be atoms, molecules, ions, or electrons. In short, for particles 1 mol = 6.02214076×10²³.

2. Kilo Gram :- The kilogram is the base unit of mass in the International System of Units, the current metric system, having the unit symbol kg. It is a widely used measure in science, engineering and commerce worldwide, and is often simply called a kilo in everyday speech.

3. Second :- The second is the base unit of time in the International System of Units, commonly understood and historically defined as ¹⁄₈₆₄₀₀ of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each.

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Answered by coolapoorva

Explanation:

the unit of amount of substance in SI system is mole and it's symbol is mol

the unit of mass in SI system is kilogram

the unit of time in SI system is second

hope it will help you

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