The number of moles of solute dissolved per Kg of solvent is called?
Everyday Science / Branch of Science — Multiple-choice practice
- A. mole fraction
- B. molarity
- C. molality
- D. normality
Correct answer
molality
Explanation
Explanation The molality (m) of a solution is the moles of solute divided by the kilograms of solvent. A solution that contains 1.0mol of NaCl dissolved into 1.0kg of water is a "one-molal" solution of sodium chloride. The symbol for molality is a lower-case m written in italics.
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