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## What is particles per mole?

The mole (symbol: mol) is the base unit of amount of substance in the International System of Units (SI). It is defined as **exactly 6.02214076×10 ^{23} elementary entities** (“particles”), which may be atoms, molecules, ions, or electrons.

## Why is a mole 6.022 x10 23?

The mole (abbreviated mol) is the SI measure of quantity of a “chemical entity,” such as atoms, electrons, or protons. It is defined as the amount of a substance that contains as many particles as there are atoms in 12 grams of pure carbon-12. So, 1 mol contains 6.022×10^{23}**elementary entities of the substance**.

## How many particles are in 4 moles?

Since 1 mole of silicon contains 6.023 x 10^23 atoms, 4 moles will contain: (4 moles) x (6.023 x 10^23 atoms) = **2.4092 x 10^24 atoms**.

## How many particles are in 7.5 moles?

Explanation: And Avogadro’s number , 6.022×1023⋅mol−1 specifies a molar quantity…… And so 7.5⋅mol×6.022×1023⋅mol−1≅**4.5×1024 sulfur atoms** .

## Why does Avogadro’s law work?

Avogadro’s law states that “**equal volumes of all gases, at the same temperature and pressure, have the same number of molecules**.” For a given mass of an ideal gas, the volume and amount (moles) of the gas are directly proportional if the temperature and pressure are constant.