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Exactly 12 grams of pure carbon-12 powder is known as one mole.

## What is the mass of one mole of c12?

1 mole 12C = 6.022 x 1023 atoms 12C = 12 g 12C. 12C is defined to be exactly 12 g. MM of 12C = exactly 12 g/mol.

## What is the mass of 1 carbon-12 atom?

12 atoms x 1.66 x 10^{–}^{24}g x 6.022 x 10^{23} atoms/ mol= 12 g/mol. So a single carbon atom weighs 12 amu while a mole of carbon atoms weighs 12.01g/mol.

## What is the mass of 1 mole of carbon C?

Example: Carbon (atomic mass = 12.01) – 1 mole of Carbon weighs 12.01 grams. This means that 6.022×10^{23} carbon atoms (or molecules) weights 12.01 grams.

## How do you find the mass of one C-12 atom?

– In the question it is given that to determine the mass of ${}^{12}C$ atoms in one gram. – Therefore the mass of $6.023times {{10}^{23}}$ atoms of ${}^{12}C$ is 12 g. – We can find the mass of one atom of ${}^{12}C$ by using the below formula.

## What is the mass of C-12 atom in grams?

1.992×10−23 gm.

## What is the mass number of C?

Carbon – 12 is the standard while measuring the atomic masses. Because no other nuclides other than C-12 have exactly whole number masses in this scale. This is due to the different mass of neutrons and protons acting to change the total mass in nuclides with proton/nuetron ratio other than 1:1 ratio of carbon – 12.

## What is meant when the symbol C-12 is used?

Carbon-12 is of particular importance in its use as the standard from which atomic masses of all nuclides are measured, thus, its atomic mass is exactly 12 daltons by definition. Carbon-12 is composed of 6 protons, 6 neutrons, and 6 electrons.

## What is the mass of 12 moles of carbon?

12.00 g C-12 = 1 mol C-12 atoms = 6.022 × 1023 atoms • The number of particles in 1 mole is called Avogadro’s Number (6.0221421 x 1023).

## Why is the mole based on carbon-12?

Carbon-12 is the basis for the mole because the atomic mass of 12 grams of Carbon-12 is exactly the Avogadro’s number which defines a mole.

## What is the difference between 1 mole of carbon-12 and 1 mole of carbon 14?

Atoms of both isotopes of carbon contain 6 protons. Atoms of carbon-12 have 6 neutrons, while atoms of carbon-14 contain 8 neutrons. A neutral atom would have the same number of protons and electrons, so a neutral atom of carbon-12 or carbon-14 would have 6 electrons.