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How many moles of electron weigh one kilogram?
A
6.022 × 10^23
B
(1 × 10^31)/9.1
C
(6.022 × 10^54)/9.1
D
(1 × 10^8)/(9.1 × 6.022)
Explanation
1/(9.1×10⁻³¹ × 6.022×10²³) = 10⁸/(9.1×6.022)
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