How many electrons are present in 1kg?

Because Oxygen is the most abundant element in the universe, i will answer your question with 1kg of O2 (molecule).

1 mole = 32gm

1 gm =1/32 mole

1kg = 1000/32 mole

One mole of any compound is equal to 6.022 x (1023 atoms).

Thus, 1 kg O2 = (1000/32)*(6.022x (10)23) atoms

Roughly, 1.881 x (1025 molecules

Each molecule contains 16 electrons

Also, 3.096 x (1026 electrons.

We are grateful.

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