Calculate the number of particles in 46 gram of magnesium atoms.
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Calculate the number of particles in 46 gram of magnesium atoms.
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Answer:
Calculate the number of particles in 46 gram of any atoms
Number of particles = No: of moles × Avogadro no :
Given mass of Na (Sodium) = 46 g
Molar mass of Na = 23 g
No: of moles = Given mass ÷ Molar mass
= 46 ÷ 23
= 2 moles
∴ Number of particles = 2 moles × 6.022 × 10²³
= 12.044 × 10²³