Math Problem Statement
How much water must be evaporated from 90ml of a 50% salt solution to increase its concentration to 75%?.
Solution
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Math Problem Analysis
Mathematical Concepts
Mass Balance
Concentration
Algebra
Formulas
Salt amount = Initial volume × Initial concentration
New concentration = Salt amount / (Initial volume - Evaporated water)
Theorems
Conservation of Mass
Suitable Grade Level
Grades 9-11