Admita uma solução aquosa saturada de HCL com concentração percentual mássica de 36,5% e densidade igual a 1g/mL. Calcule a concentração molar dessa solução, expressa em mol/L

Molar concentration of the solution = 10.0 mol/L

Explanation:

English Translation

Admit a saturated aqueous solution of HCL with a mass percentage concentration of 36.5% and density equal to 1g / mL. Calculate the molar concentration of this solution, expressed in mol / L

Solution

Mass concentration of the solution = 1 g/no

Percentage concentration of the solution that is HCl = 36.5%

Mass concentration of HCl

= 36.5% × 1g/mL = 0.365 g/mL

(Concentration in mol/L) = (Concentration in g/L) ÷ (Molar Mass)

Concentration of HCl in g/L = 365 g/L

Molar Mass of HCl = 36.46 g/mol

Concentration of HCl in mol/L = 365 ÷ 36.46 = 10.011 mol/L = 10.0 mol/L

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