The number of electrons in 1.6gram ch4 is
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Molecular mass of ch4 is 16 gm/ mole
so, no. of mole in 1.6 gm is 1.6/ 16 = 0.1 mole
Now 1 mole contain 6.022 × 10^23 molecules
then 0.1 mole contain 6.022 × 10^23 × 0.1 molecules
and 1 molecule of ch4 contain 10 electron
so 0.1 mole ch4 contain
6.022×10^23×0.1×10=6.022 × 10^23 electrons
so, no. of mole in 1.6 gm is 1.6/ 16 = 0.1 mole
Now 1 mole contain 6.022 × 10^23 molecules
then 0.1 mole contain 6.022 × 10^23 × 0.1 molecules
and 1 molecule of ch4 contain 10 electron
so 0.1 mole ch4 contain
6.022×10^23×0.1×10=6.022 × 10^23 electrons
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