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Grade: upto college level
        Estimate the number of electrons in 100 g of water. How much is the total negative charge on these electrons?
4 years ago

Answers : (2)

Navjyot Kalra
askIITians Faculty
654 Points
							Sol. No. of electrons of 100g water = 10 * 100/18 = 55.5 Nos total charge = 55.5
No. of electrons in 18 g of H base 2O = 6.023 * 10^23 * 10 = 6.023 * 10^24
No. of electrons in 100 g of H base 2O = 6.023 * 24^24 * 100/18 = 0.334 * 10^26 = 3.334 * 10^25
Total charge = 3.34 * 10^25 * 1.6 * 10^-19 = 5.34 * 10^6 c

						
4 years ago
Arun Kumar
IIT Delhi
askIITians Faculty
256 Points
							
Hello
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty
4 years ago
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