define mole? What is the number of molecules in 0.25 moles of oxygen?( avogrado no. is 6.022multiply 10power23
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one mole of oxygen has 6.22×10power 23
0.25 moles of oxygen has 6.22×10power 23 ×0.=1.5×10power 23
0.25 moles of oxygen has 6.22×10power 23 ×0.=1.5×10power 23
dishumangal:
can you please tell me defination of mole
sorry I don't know
ok and thanks
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A mole corresponds to the mass of a substance that contains 6.023 x 1023particles of the substance.
The mole is the SI unit for the amount of a substance and its symbol is mol.
By definition: 1 mol of carbon-12 has a mass of 12 grams and contains 6.022140857 x 1023 of carbon atoms.
The mole is the SI unit for the amount of a substance and its symbol is mol.
By definition: 1 mol of carbon-12 has a mass of 12 grams and contains 6.022140857 x 1023 of carbon atoms.
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