問題詳情

17. Grapefruit juice at pH 3.2 contains about __________times as much H⁺ as orange juice at pH 4.2.
(A) 0.9
(B) 10-7.5
(C) 10-2
(D) 10
(E) 101

參考答案

答案:99

統計:A:0,B:0,C:0,D:0,E:0

難度:計算中