An aqueous solution is 20.0 % by mass hydrochloric acid, HCl, and has a density

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An aqueous solution is 20.0 % by mass hydrochloric acidHCl, and has a density of 1.10 g/mL. 


The mole fraction of hydrochloric acid in the solution is  .
May 28th, 2015

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1ml=1cm^3
1000cm^3=1dm^3



mass of solution 1.10 x 1000 g per 1dm^3
mass of HCl =1100 x 20/100=220 g per 1dm^3

HCl mol =220g/36.5gmol^-1 per 1dm^3

HCl molarity =6.027mols per 1dm^3
HCl molarity =6.027moldm^-3
1dm^3=1l


HCl molarity =6.027mol l^-1

May 28th, 2015

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