Why do reagents like NaOH and DCP need to be standardized before use? A Because
ID: 826046 • Letter: W
Question
Why do reagents like NaOH and DCP need to be standardized before use? A Because they degrade over time and as a result, the concentration decreases.B Because they are used as standards.
C Because they degrade over time and as a result, the concentration increases.
D Because they react over time and as a result, the concentration increases.
E NaOH and DCP do not need to be standardized. Why do reagents like NaOH and DCP need to be standardized before use? A Because they degrade over time and as a result, the concentration decreases.
B Because they are used as standards.
C Because they degrade over time and as a result, the concentration increases.
D Because they react over time and as a result, the concentration increases.
E NaOH and DCP do not need to be standardized.
Explanation / Answer
A Because they degrade over time and as a result, the concentration decreases.
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