Question

calculate the number of moles equivalent to 12.7 g of iodine molecules

Answer 1

• 1 mole of iodine = 126.9g
• given mass = 12.7g
• number of moles = ?

Number of moles =

given mass / molar mass of iodine

= 12.7/126.9

no.of moles = 0.1

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