The number of particles in 1.43 g or a molecular compound is 3.69 × 10²¹.
• The mass of the compound given is 1.43 grams and the molecular mass of the compound is 233 g/mol.
• The mole of a compound can be determined by using the formula,
n(number of moles) = Weight/Molecular mass = 1.43/233 = 0.00613 moles
• The number of particles in 1 mole is 6.022 × 10²³ particles
The number of particles in 0.00613 moles is,
= 0.0063 × 6.022 × 10²³
= 3.69 × 10²¹ particles
Thus, the number of particles in the given case is 3.69 × 10²¹ particles.
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