# How much does a mole weight?

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## How many grams does a mole weight?

This can also be written as 6.022×1023 mol1. The mass of one mole of a substance is equal to that substance’s molecular weight. For example, the mean molecular weight of water is 18.015 atomic mass units (amu), so one mole of water weight 18.015 grams.

## 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 6.022×1023elementary entities of the substance.

## What is gram mole?

(Often called gram-molecular weight.) A mass of a substance in grams numerically equal to its molecular weight. Example: A gram-mole of salt (NaCl) is 58.44 grams.

## What is mole percent?

Mole percent is the percentage that the moles of a particular component are of the total moles that are in a mixture. The sum of the mole fractions for each component in a solution is equal to 1. … Mole percent is equal to the mole fraction of the compound multiplied by 100. mol % a = Χa × 100.

## What is the mole of H2?

The mass of one mole of H2 is 2.01588 grams but some sources also list it as 2.016 grams. A molecule of H2 is formed when two hydrogen atoms bond…

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