The properties of a good primary standard solution include the following except?

A.

High molecular mass

B.

low molecular mass

C.

high degree of purity

D.

readily available

View answer & explanation

Correct answer is B

Properties of a good standard solution

  • High purity.
  • Stability (low reactivity)
  • Low hygroscopicity (to minimize weight changes due to humidity)
  • High equivalent weight (to minimize weighing errors)
  • Non-toxicity.
  • Ready and cheap availability.
  •  High molecular mass

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