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- Dictionarymole/məʊl/
noun
- 1. a small burrowing mammal with dark velvety fur, a long muzzle, and very small eyes, feeding mainly on worms, grubs, and other invertebrates. Similar
- 2. a spy who gradually achieves an important position within the security defences of a country: "a well-placed mole was feeding them the names of operatives" Similar
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Jun 5, 2024 · mole, in chemistry, a standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles. The mole designates an extremely large number of units, 6.02214076 × 10 23.
The meaning of MOLE is a pigmented spot, mark, or small permanent protuberance on the human body; especially : nevus. How to use mole in a sentence.
Mole Concept- A mole is defined as the amount of a substance that contains exactly the Avogadro number of ‘elementary entities’ of the given substance. The Avogadro number is represented by NA. The Mole Concept is a Convenient Method of Expressing the Amount of a Substance.
a person who works for an organization or government and secretly gives information to its competitor or enemy: A mole inside the Department had leaked secret proposals to the press.
Jul 10, 2024 · Here's a look at what a mole is, why we use moles, and how to convert between moles and grams. Key Takeaways: Mole in Chemistry The mole is an SI unit used to measure the amount of any substance.
Jun 25, 2014 · The mole is the S unit for quantity that is exactly 6.022 x 10^23 particles. In chemistry, a mole is an SI base unit for quantity. Despite the name, it has nothing to do with the small brown/gray garden pest or the tasty chocolate sauce on Mexican food. The mole unit describes the amount or number of things.
Sep 21, 2022 · The mole is the unit of measurement in the International System of Units (SI) for amount of substance. It is defined as the amount of a chemical substance that contains as many elementary entities (e.g., atoms, molecules, ions, electrons, or photons).
Jul 3, 2019 · Updated on July 03, 2019. A Mole is defined as a chemical unit, defined to be 6.022 x 10 23 ( Avogadro's Constant) entities. In science, this is usually molecules or atoms. The mass of a mole is the gram formula mass of a substance. Examples:
a person who works within an organization and secretly passes important information to another organization or country. They suspected that a mole had been planted in the organization. A police mole working inside the company had supplied them with the details. Oxford Collocations Dictionary.
A mole (mol) is a number of things equal to the number of atoms in exactly 12 g of carbon-12. Experimental measurements have determined that this number is very large: 1 mol = 6.02214179 × 1023 things. Understand that a mole means a number of things, just like a dozen means a certain number of things—twelve, in the case of a dozen.
