Question

why primary Standard substance are used to make standard solutions?
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Answer 1

• Primary standards are often used to make standard solutions, solutions with a precisely known concentration. A good primary standard meets the following criteria: Has a high level of purity. Has low reactivity (high stability)

Answer 2

Answer:

Primary standards are often used to make standard solutions, solutions with a precisely known concentration. A good primary standard meets the following criteria: Has a high level of purity. Has low reactivity (high stability)