what is a mole concept ? calculate the number of molecules in 45g of water.
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mole is a unit to know the amount of substance .mole of 45g of water = 45/16=
Smarty999:
hi madhu
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one mole of any species (atom molecules and ions of particles )is a quantity of number having a mass equal to its atomic or molecular mass in grams
one mole of any substance is fixed be the value of 6.022 *10 to power 23 which is experimentally obtained value this number is called Avogadro constant or Avogadro number represented by a No
one mole of any substance is fixed be the value of 6.022 *10 to power 23 which is experimentally obtained value this number is called Avogadro constant or Avogadro number represented by a No
just thanks make me also brainlist
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