Question

How many electrons will weight 0.1 gram

Answer 1

An Electron weighs about 9.11 x 10^-28 g. So, number of electrons that would have a combined weight of 0.1 g is given by (0.1/9.11 x 10^-28) which would be 1.098 x 10^26.

Answer 2

An electron has a mass of 9.11×10−31kg.

Therefore there are 1.098×1030 electrons in 1kg of “electron matter” - or a big bowl of electrons.

Therefore 1g has 1000 times less than this:

Therefore: 1.1×1027 electrons have a mass of 1g.

That's 1.1 octillion - or a billion billion billion.

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