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The number of electrons which will together weigh one gram is
- a)1.098 x 1027 electrons
- b)9.1096 x 1031 electrons
- c)1 electron
- d)1 x 104 electrons
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The number of electrons which will together weigh one gram isa)1.098 x...
Mass of electron = 9.1096 x 10-31 kg
= 1.098 x 1027 electrons
= 1.098 x 1027 electrons
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The number of electrons which will together weigh one gram isa)1.098 x...
Number of Electrons in One Gram
To determine the number of electrons that will weigh one gram, we need to know the mass of one electron and Avogadro's number.
Mass of One Electron
The mass of one electron is 9.10938356 × 10^-31 kilograms.
Avogadro's Number
Avogadro's number is the number of atoms or molecules in one mole of substance. It is equal to 6.022 × 10^23.
Calculating the Number of Electrons
To calculate the number of electrons that will weigh one gram, we need to use the following formula:
Number of electrons = (mass of one gram)/(mass of one electron)
Number of electrons = (1 g)/(9.10938356 × 10^-31 kg/electron)
Number of electrons = 1.098 × 10^27 electrons
Therefore, the correct answer is option 'A', which is 1.098 x 10^27 electrons.
To determine the number of electrons that will weigh one gram, we need to know the mass of one electron and Avogadro's number.
Mass of One Electron
The mass of one electron is 9.10938356 × 10^-31 kilograms.
Avogadro's Number
Avogadro's number is the number of atoms or molecules in one mole of substance. It is equal to 6.022 × 10^23.
Calculating the Number of Electrons
To calculate the number of electrons that will weigh one gram, we need to use the following formula:
Number of electrons = (mass of one gram)/(mass of one electron)
Number of electrons = (1 g)/(9.10938356 × 10^-31 kg/electron)
Number of electrons = 1.098 × 10^27 electrons
Therefore, the correct answer is option 'A', which is 1.098 x 10^27 electrons.
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