38.某 pH=2 的水溶液,其 [OH-] 濃度為 pH=5 溶液的若干倍?
(A)2.5
(B)0.25
(C)10-3
(D)103
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統計: A(4), B(3), C(133), D(31), E(0) #1344798
統計: A(4), B(3), C(133), D(31), E(0) #1344798
詳解 (共 3 筆)
#1849669
10-3 (
0
3