If 18.7 grams of an aqueous solution of ammonium fluoride, NH4F, contains 1.26 grams of ammonium fluoride, what is the percentage by mass of ammonium fluoride in the solution?

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Michael Williamson · Answer 1 · 2022-03-18T11:45:48+0000

The percentage by mass of ammonium fluoride in the solution : 6.738%

Further explanation

Given

18.7 g of NH4F solution

1.26 g NH4F

Required

The percentage by mass

Solution

$\tt \%mass=(mass~solute)/(mass~solution)* 100\%$

mass solute = mass Ammonium fluoride

mass solute = 1.26 g

mass solution = 18.7 g

Input the value :

$\tt \%mass=(1.26)/(18.7)* 100\%\\\\\%mass=6.738$

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If 18.7 grams of an aqueous solution of ammonium fluoride, NH4F, contains 1.26 grams of ammonium fluoride, what is the percentage by mass of ammonium fluoride in the solution?

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