Therefore, the number of mole will be 1.065 × [tex]10^{24}[/tex].
What is mole?
A mole is the quantity of a substance containing 6.023 x [tex]10^{23}[/tex] particles of that substance. The mole is really the SI unit for a substance's quantity.
It is given that, mass of 230 gram of CoCl2.
Moles = mass / molar mass
Put the value of given data in mole formula.
Moles = 230 / 129.8
Moles = 1.77
It is known that, 1 mole = 6.02 × [tex]10^{23}[/tex] molecule.
Hence, 177 moles = 6.02 × [tex]10^{23}[/tex] × 1.77 = 10.65 × [tex]10^{23}[/tex] .
Therefore, the number of mole will be 1.065 × [tex]10^{24}[/tex].
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