Math Problem Statement
250 g d'une solution aqueuse contient 30 g d'acide chlorhydrique HCl et 5 g de bromure de potassium KBr. La masse volumique de cette solution vaut 1.2 g/ml. Calculer les concentrations de HCl et de KBr en % et en g/l.
Solution
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Math Problem Analysis
Mathematical Concepts
Percentage concentration
Mass concentration
Density and volume calculations
Formulas
Percentage concentration: (mass of solute / total mass of solution) * 100
Mass concentration: mass of solute / volume of solution
Volume from mass and density: volume = mass / density
Theorems
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Suitable Grade Level
High School (Grades 10-12)