Math Problem Statement
Quel volume d’eau doit-on ajouter à 50mL de NaCl pour que sa concentration soit divisée par 9 ?
Solution
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Math Problem Analysis
Mathematical Concepts
Dilution
Proportionality
Concentration
Volume
Formulas
C_0 * V_0 = C_f * V_f
V_f = V_0 * dilution factor
Theorems
Conservation of mass in a solution
Suitable Grade Level
Grades 10-12