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48.某医院药品仓库有14600克浓度为98%的酒精。问加入多少克蒸馏水之后,可以稀释成浓度正好为73%的消毒酒精? (A)4600 (B)5000 (C)9600 (D)19600
問題詳情
48.某医院药品仓库有14600克浓度为98%的酒精。问加入多少克蒸馏水之后,可以稀释成浓度正好为73%的消毒酒精?
(A)4600
(B)5000
(C)9600
(D)19600
參考答案
答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
上一篇 :
【題組】⑷殺雞儆猴及
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(3) A small congregation in the foothills of the Great Smokies built a new church on a piece of land
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