問題詳情
43.丹丹欲配置重量百分濃度8%的鹽水,下列方法中何者最為適當?
(A)取8公克的鹽溶於100公克的水中
(B)取8公克的鹽溶於108公克的水中
(C)取4公克的鹽溶於100公克重量百分濃度4%的鹽水中
(D)取100公克的水,加入100公克重量百分濃度16%的鹽水中。
(A)取8公克的鹽溶於100公克的水中
(B)取8公克的鹽溶於108公克的水中
(C)取4公克的鹽溶於100公克重量百分濃度4%的鹽水中
(D)取100公克的水,加入100公克重量百分濃度16%的鹽水中。
參考答案
答案:D
難度:適中0.6875
統計:A(4),B(0),C(0),D(22),E(0)
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