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M

Mol

By November 23, 2022No Comments

A mole or (mol) is a SI Unit of measurement in the metric system. One mole of a substance has a mass equal to its atomic or molecular weight in grams. The number of particles in one mole of a substance is called Avogadro’s number, which is about 602 sextillion. Moles are used for measuring the amount of a chemical compound, either by mass or volume. number of particles, which is 6.02 x 10^23 atoms or molecules.

This number is also known as Avogadro’s constant. The mole can be used to measure the mass, volume, or concentration of a substance. For example, one mole of water has a mass of 18 grams and occupies a volume of 22 liters at Standard Temperature and Pressure (STP). The concentration of a solution can be expressed as moles per liter (mol/L).

One mole of a substance has a mass in grams that are equal to its atomic or molecular weight in Daltons. For example, the atomic weight of carbon is 12.0107 Atomic Mass Units (AMU), so one mole of carbon has a mass of 12.0107 grams.

Molarity is the concentration of moles per liter (mol/L) and can be calculated using the equation:  Molarity = moles รท liters. For example, if you have 1 mol/L solution, that means that for every 1 (L) there are 0.001 moles present dissolved in it, and so on. To calculate how many moles are needed to make up 1 (L) at any given concentration, use this equation:  Molarity x Volume (in Liters) = Number Of Moles Needed.

The term “mole” can also refer to a small animal, such as a mouse or rat.

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