WBJEE · Chemistry · Some Basic Concepts of Chemistry
How many moles of electrons will weigh one kilogram?
- A \(6.023 \times 10^{23}\)
- B \(\frac{1}{9.108} \times 10^{31}\)
- C \(\frac{6023}{9108} \times 10^{54}\)
- D \(\frac{1}{9.108 \times 6.023} \times 10^{8}\)
Answer & Solution
Correct Answer
(D) \(\frac{1}{9.108 \times 6.023} \times 10^{8}\)
Step-by-step Solution
Detailed explanation
Mass of an electron \(=9.108 \times 10^{-31} \mathrm{kg}\) Mass of one mole of electron \[ =\left(9.108 \times 10^{-31} \times 6.023 \times 10^{23}\right) \mathrm{kg} \] Then, number of mole of electron in \(1 \mathrm{kg}\)…
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