A.99.6% B.96.25% C.96.64% D.68.98%
A.0.1g B.0.05g C.0.2g D.0.5g
用同一濃度的NaOH標準溶液分別滴定體積相等的H2SO4溶液和HAc溶液,消耗的體積相等,說明H2SO4溶液和HAc溶液濃度關系是()
A.A B.B C.C D.D