What is electroluminescence? Give one example.
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The number of moles in monochloro pentaborane (9) is 0.37056.
We know that ,
Number of moles = Given mass/ Molar mass
Given mass of monochloro pentaborane (9) is 20.1 g
The molar mass of monochloro pentaborane (9) is
=
=
= 54.241
Thus number of moles = 20.1/54.241
= 0.37056
To know more about mole concept
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