Problem: A solation is prepared by dissolving 15.0 g of NH3, in 250.0 g of water. The density of the resulting solution is 0.974 g/mL. The mole fraction of NH3 in the solution is ________.(i) 0.0597 (ii) 0.0640 (iii) 16.8 (iv) 0.940 (v) 0.922

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A solation is prepared by dissolving 15.0 g of NH3, in 250.0 g of water. The density of the resulting solution is 0.974 g/mL. The mole fraction of NH3 in the solution is ________.

(i) 0.0597 

(ii) 0.0640 

(iii) 16.8 

(iv) 0.940 

(v) 0.922

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Our tutors have indicated that to solve this problem you will need to apply the Mole Fraction concept. You can view video lessons to learn Mole Fraction. Or if you need more Mole Fraction practice, you can also practice Mole Fraction practice problems.

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