number of electrons in 1.8 grams of H2O is
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now we know that 1mole H2O = 18gm.. 1.8 gm = .1 mole.. now we know that there are 10 electrons in 1 H2O molecule hence in 1.8 ml its = 6.023*10^23*.1*10= 6.023*10^23 electrons….
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1.8 g of H2O = 1.8 / 18 = 0.1 mole hence the no. of electrons in both the molecules are = 0.1 x 10 moles of electrons = 6.023 x 10^23 electrons
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