The number of moles in 2.0 kg electrons
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It's molar mass = 9.1 × 10^-31 × 6.022 × 10^23
=9.1 × 6.022×10^-8
So in 2 kgs
Moles=mass/ molar mass
=2/9.1×6.022×10^-8
=2×10^8/6.022×9.1
=9.1 × 6.022×10^-8
So in 2 kgs
Moles=mass/ molar mass
=2/9.1×6.022×10^-8
=2×10^8/6.022×9.1
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