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## How do you find how many grams are in a mole of a substance?

The amount of grams in a mole depends on the substance you have. To work it out, find **the atomic or molecular mass of your substance and multiply it by the number of moles you have**. For one mole, the atomic or molecular mass will be the same as the weight.

## What is a mole of a substance?

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 grams are in a mole of a compound?

**Divide the mass of the compound in grams by the molar mass** you just calculated. The answer is the number of moles of that mass of compound. For example, 25 grams of water equals 25/18.016 or 1.39 moles.

## How many grams are in one mole of moles?

First, what is a mole? A mole is a certain number of molecules, atoms, electrons, etc. In the SI system, the mole has about **6.022 140 × 10 23 particles**. This is correctly defined as a gram mole, though SI units officially designate this as a mole.

## 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 much does a mole weigh in chemistry?

A mole is the atomic weight of a molecule of the chemical in grams. So a mole of a molecule like hydrogen (H) with an atomic weight of 1 is **one gram**. Meanwhile, a complex molecule like glucose (C_{6}H_{12}O_{6}) has an atomic weight of 180, so one mole is 180 grams.

## How many moles of electrons weigh 1kg?

Or, 1 kg will contain = $dfrac{1}{{9.108 times 6.022}} times {**10^8}$ moles** of electrons. Thus, $dfrac{1}{{9.108 times 6.022}} times {10^8}$ moles of electrons will weigh one kilogram. So, the correct answer is “Option D”.

## How many particles are in a gram?

1.4.

The definition of Avogadro’s number of **6.022 × 10 ^{23}**/mole is the number of atoms or molecules per one gram atomic weight.