Chemistry, asked by kanchanpangtey13, 1 day ago

What is the mole fraction of glycerin C3H5(OH)3 in a solution containing 33g of glycerin, 60g isopropyl alcohol and rest water?

Answers

Answered by pradhanmadhumita2021

2

❥ {A᭄ɴsᴡᴇʀ࿐

Best explanation: Mw of glycerin = 92g/mol. Number of moles of glycerin = 33/92 = 0.3587 mol

Number of moles of isopropyl alcohol = 60g/(60g/mole) = 1 mole

Number of moles of water = 7g/(18g/mole) = 0.3889 mole

Mole fraction of glycerin = 0.3587/(0.3587 + 1 + 0.3889) = 0.205.

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