How many mole of electron weigh one kilogram ?

CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance

Problem

How many mole of electron weigh one kilogram ? (1)

6.023 \times 10^{23}

(2)

\frac{1}{9.108} \times 10^{23}

(3)

\frac{6.023 \times 10^{54}}{9.108}

(4)

\frac{1}{9.108 \times 6.023} \times 10^8