Chemistry, asked by 1234514, 1 year ago

mole is SI unit for the amount of substance . define with example

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Answered by MushkeSameen

http://chemistry.bd.psu.edu/jircitano/mole.html

MushkeSameen: https://youtu.be/yIwFqIt3NQo

1234514: thanks

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MushkeSameen: first writ it in any note book them write in the search bar

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MushkeSameen: Mole Definition: a chemical massunit, defined to be 6.022 x 1023molecules, atoms, or some other unit. The mass of a mole is the gram formula mass of a substance.

Examples: 1 mole of NH3 has 6.022 x 1023molecules and weighs about 17 grams. 1 mole of copper has 6.022 x 1023atoms and weighs about 63.54 grams.

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