What do we know about the cheese?A.It is on the shelf.B.It is too expensive.###
A.
What do we know about the cheese? A.It is on the shelf.
B.
It is too expensive.
C.
It is in short supply.
D.
It is no longer fresh.
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【单选题】能用 0.1mol/LNaOH 滴定液直接滴定,并且有两个滴定突越的酸为() A. 0.1mol/L 的 H 2 C 2 O 4 ( K a1 =6.5 × 10 -2 , K a2 =6.1 × 10 -5 ) B. 0.1mol/L 的 乳酸( K a =1.4 × 10 -4 ) C. 0.1mol/L 的 邻苯二甲酸( K a1 =1.3 × 10 -3 , K a2 =3.9 × 10 ...