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Ierofanga [76]
3 years ago
11

Guys, please help I'm stuck on this.

Chemistry
2 answers:
Shtirlitz [24]3 years ago
8 0
Answer is b good luck
jok3333 [9.3K]3 years ago
7 0
The answer is letter B :)
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Calculate the molality of acetone in an aqueous solution with a mole fraction for acetone of 0.241. Answer in units of m.
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Answer: The molality of solution is 17.6 mole/kg

Explanation:

Molality of a solution is defined as the number of moles of solute dissolved per kg of the solvent.

Molarity=\frac{n}{W_s}

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n = moles of solute

W_s = weight of solvent in kg

moles of acetone (solute) = 0.241

moles of water (solvent )= (1-0.241) = 0.759

mass of water (solvent )= moles\times {\text {Molar Mass}}=0.759\times 18=13.7g=0.0137kg

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Therefore, the molality of solution is 17.6 mole/kg

3 0
3 years ago
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