SOLUTION: Find the mole fraction of this given problem: a.An NH3
solution made up of 30.0 g of NH3 in 70.0 g of water.
The density of the solution is 0.982 g/mL.
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-> SOLUTION: Find the mole fraction of this given problem: a.An NH3
solution made up of 30.0 g of NH3 in 70.0 g of water.
The density of the solution is 0.982 g/mL.
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Question 1200803: Find the mole fraction of this given problem: a.An NH3
solution made up of 30.0 g of NH3 in 70.0 g of water.
The density of the solution is 0.982 g/mL. Answer by ikleyn(52780) (Show Source):
You can put this solution on YOUR website! .
Find the mole fraction of this given problem: a.An NH3
solution made up of 30.0 g of NH3 in 70.0 g of water.
The density of the solution is 0.982 g/mL.
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DEFINITION
Mole fraction X is the ratio of moles of one substance in a mixture
to the total number of moles of all substances.
https://www.google.com/search?q=mole+fraction&rlz=1C1CHBF_enUS910US910&oq=mole+fraction&aqs=chrome..69i57j0i131i433i512l2j0i512l7.2120j0j15&sourceid=chrome&ie=UTF-8
NH3 Molecular Weight 17.031
Number of moles in 30 g: = 1.76149.
H2O Molecular Weight 18.01528
Number of moles in 70 g: = 3.88559.
The mole fraction (the answer to the problem's question) is = 0.31193 (rounded).
Solved, answered and explained.
The post-solution note: the given density of the solution 0.982 g/mL is EXCESSIVE, NON-NECESSARY and IRRELEVANT.
