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Molarity or molality?

Exercise and reference answers

Items
  1. Item
    Per litre of solution
    Category
    Molarity
  2. Item
    Symbol M
    Category
    Molarity
  3. Item
    Uses a volume
    Category
    Molarity
  4. Item
    Per kilogram of solvent
    Category
    Molality
  5. Item
    Symbol m
    Category
    Molality
  6. Item
    Uses a mass
    Category
    Molality
Categories
  1. Item
    Molarity
  2. Item
    Molality

Explanation

Molarity divides by volume of solution; molality by mass of solvent. That makes molality independent of temperature. Source: syllabus Chemistry, Ch 1 Solutions.
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