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## How do you find how many moles?

To find the number of moles in a sample, **simply weigh it and divide the weight by the molecular weight**. The quotient is equal to the number of moles.

## How many atoms are in 1g of helium?

1 mole Of Helium = Weight of Helium/4Weight of Helium = 1*4 = 4 grams 1 mole of Helium contains **6.023***10²³ (Avogadro number) atoms. one mole is equilant to Avogadro’s number 6.02×10^23 particles.

## How many moles are in 20g of helium?

Answer: There are **5.00 moles** He in 20.0 g He.

## How many moles are in each element?

One mole (abbreviated mol) is equal to **6.022×10 ^{23}** molecular entities (Avogadro’s number), and each element has a different molar mass depending on the weight of 6.022×10

^{23}of its atoms (1 mole). The molar mass of any element can be determined by finding the atomic mass of the element on the periodic table.

## What are moles of atoms?

A mole is defined as **6.02214076 × 10 ^{23} of some chemical unit**, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

## How many atoms of helium will make 4 moles of he?

– So, the no of atoms in 4 moles of helium is **2.4088 × 10²⁴**.

## How many moles are in 8g of helium?

Helium is a monatomic, so, the number of atoms in the He element is one. **Two moles** = $,1.204 times {10^{24}}$atoms. So, two moles or we can say eight gram of He contains $1.204 times {10^{24}}$atoms. So, the number of grams –atoms in $8$ gram of He are$1.204 times {10^{24}}$.