Question

20 g ethylene glycol (C2H6O2) dissolved in 80 g of water. calculate the mole fraction of ethylene glycol​

Answer 1

Answer:

Molar mass of ethylene glycol - (12*2 + 1*6 + 16*2) = 62g/mol.

so,

in 20g we have 20/62 = 0.32 mol.

Mole fraction of ethylene glycol = No of moles of ethylene glocal/ Total number of moles. = 0.068

Explanation:

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