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The magnitude of the total negative charge on the electrons in 1 mol of helium (atomic number 2, atomic mass 4) is
a. 4.8 x 10⁴ C
b. 9.6 x 10⁴ C
c. 1.9 x 10⁵ C
d. 3.8 x 10⁵ C
e. 7.7 x 10⁵ C



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