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Grade 10General Physics

Estimate the number of electrons in 100 g of water. How much is the total negative charge on these electrons?

Profile image of muthhu swami
12 Years agoGrade 10
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1 Answer

Profile image of Arun Kumar
ApprovedApproved Tutor Answer12 Years ago
Hello Student,
\\n={100 \over 18} \\n={50 \over 9} \\H=2e \\O=8e \\=>H_2O=10e \\=>total_{e}=n*6.022*10^{23}*10 \\=>total_{charge}=n*1.67*6.022*10^{23}*10
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty