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The amount of solute present per unit volume or per unit mass of the solution/solvent is known as _____ in Chemistry.

  • A.composition of solute
  • B.concentration of solvent
  • C.concentration of solute
  • D.concentration of solution

Answer: D

The key gives concentration of solution.

The concentration of a solution expresses how much solute is present in a given quantity of the solution or solvent, as in molarity (moles per litre of solution), molality (moles per kilogram of solvent) or mass percentage. Standard physical chemistry texts call this quantity the concentration of the solution.

'Concentration of solvent' reverses the roles of the components, and 'composition of solute' is not a term for this quantity. 'Concentration of solute' describes the same idea loosely, but the standard term, and the key, is concentration of solution.

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