# Suppose all the e

Given:

Mass of water , Molar mass of water Moles of water in 100g of water = Number of electrons in 1 molecule of water = 2 times one electron each in hydrogen atom + 8 electrons in oxygen atom = 10 electrons

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Formulas used:

The relation between molar mass M, mass of sample m and number of moles of sample n is given by: 1 mol of “something” contains NA number of “something”.

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Number of electrons in 1 mol of electrons = Number of electrons in 100 g of water   Negative charge on one electron = Total negative charge We have,

Charges: Distance of separation, ________________________________________________

Formula used:

By Coulomb’s law, the electric force is given by: Where ϵ0 is the permittivity of free space

k is the electrostatic constant

q1 and q2 are the magnitude of charges

r is the distance of separation between the charges

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The magnitude of electric force is:   Let my mass m be 70 kg.  The electric force between the two charges is about 1022 times my weight!

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