護理計算題??要計算過程喔!! - 酒精
By Isla
at 2008-04-24T00:00
at 2008-04-24T00:00
Table of Contents
一.95%的藥用酒精200ml,要配成70%的消毒酒精,須加多少水??
(A)30ml
(B)51ml
(C)71ml
(D)91ml
答案是:(C)71ml
二.若欲行S.S.enema 1200ml,護士應取20%肥皂凍多少量,才能配成0.2%之肥皂水溶液??
(A)4cc
(B)8cc
(C)12cc
(D)16cc
答案是:(C)12cc
(A)30ml
(B)51ml
(C)71ml
(D)91ml
答案是:(C)71ml
二.若欲行S.S.enema 1200ml,護士應取20%肥皂凍多少量,才能配成0.2%之肥皂水溶液??
(A)4cc
(B)8cc
(C)12cc
(D)16cc
答案是:(C)12cc
Tags:
酒精
All Comments
By Zenobia
at 2008-04-25T11:37
at 2008-04-25T11:37
沒有給密度,所以假設密度為1g/ml
假設要再加 X ml 的水
原本溶液內純酒精有200 X 95%
後來溶液內純酒精 (200+X) X 70%
因為加入前後酒精重量不變
即200 X 95%= (200+X) X 70%
可得X= 71(ml)
二.若欲行S.S.enema 1200ml,護士應取20%肥皂凍多少量,才能配成0.2%之肥皂水溶液??
假設要取20% 肥皂凍Y cc
配置前後肥皂含量不變
肥皂凍內含肥皂Y X20%
配置後1200X0.2%
Y X20%=1200X0.2%
Y=12(cc)
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