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ivann1987 [24]
3 years ago
12

Charged atom or particle

Chemistry
2 answers:
GenaCL600 [577]3 years ago
7 0

Answer:

for what

Explanation:

jek_recluse [69]3 years ago
6 0
It’s charged atom I believe
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Calculate mole fraction of ethylene<br>Glycol in solution<br>containing 20% g C2H6O2 by mass.​
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Answer:

Explanation:

20% of C2H6O2 

since its a solution, this means that it has 20g of ethylene glycol and the rest is water.

Molar mass of C2H6O2 = (12 x 2) + (1 x 6) + (2 x 16)

                                        = 62

mole = mass/molar mass

Moles of C2H6O2 = 20/62

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Moles of water = 80/18

                         = 4.444 mol

mole fraction = mol of solute / tatal mol of solution

Mole fraction of ethylene glycol = 0.322/(0.322 + 4.444)

                                                      = 0.068

Mole fraction of water = 1 - 0.068

                                     = 0.932

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