Chemistry
WAEC 2017
The properties of a good primary standard include the following except
-
A.
high molecular mass
-
B.
low molecular mass
-
C.
high degree of purity
-
D.
readily available
Correct Answer: Option B
Explanation
Characters of a good primary standard include: high purity, low reactivity with the air or surrounding environment, low hygroscopicity, large molar mass, a predictable reactivity and readily available.
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