Calculate the number of of mol there in 3.2kg of argon if the mass is 39.9 g/mol
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Explanation:
given mass = 3.2 kg
molar mass = 39.9 g/mol = 39.9×10^-3
number of moles = given mass/molar mass
= 3.2/39.9×10^-3
= 0.08 × 10^-3 moles
= 8 × 10^-5 moles
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