How much is a mole science?

How much is a mole exactly?

The mole (symbol: mol) is the base unit of amount of substance in the International System of Units (SI). It is defined as exactly 6.02214076×1023 particles, which may be atoms, molecules, ions, or electrons.

How much is a mole GCSE?

One mole of atoms contains 6 x 10 23 atoms, no matter what element it is. This is a very large number: it is 6 with 23 zeros after it. It is known as the Avogadro number. This number is used in chemistry because if you could count out this many carbon atoms, the total mass of carbon you would have is 12 g.

How much money is a mole of pennies?

1 mole of pennies = 6.02×1023 pennies (that’s a lot of pennies). How many dollars is that? Now, how many years would this amount last if you spent it at a rate of $1 billion a second? So, 1 billion dollars is 1×109 dollars.

What is mole calculation?

number of moles = mass ÷ relative formula mass. This can be rearranged to find the mass if the number of moles and molar mass (its relative formula mass in grams) are known. It can also be rearranged to find the molar mass if the mass and number of moles are known.

How do I calculate moles?

Worked Example: moles = mass ÷ molar mass (n=m/M)

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Are moles the same as molar mass?

molar mass: The mass of a given substance (chemical element or chemical compound in g) divided by its amount of substance (mol). mole: The amount of substance of a system that contains as many elementary entities as there are atoms in 12 g of carbon-12.