Conversion between Mass Fraction and Molar Concentration
质量分数与物质的量浓度的换算公式
Theoretical Identity Description:
Converts mass percentage fraction (w) of a concentrated liquid reagent to molarity (c), where ρ is density in g/cm³ and M is solute molar mass in g/mol.
Rigorous Derivation Tree
Foundational identity statement defined under standard mathematical conditions.
Targeted algebraic evaluation and parameter substitution.
CSCA Exam Triggers & Traps
Use for concentrated hydrochloric acid (HCl), sulfuric acid (H₂SO₄), and ammonia titration preparation.
Density ρ must be in g/cm³ (or g/mL) for the factor 1000 to correctly scale to 1 Liter.
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