欲配制1%过氧乙酸1000ml,需要20%的过氧乙酸原液和灭菌蒸馏水的ml数分别为()
- A50ml,950ml
- B100ml,900ml
- C150ml,850ml
- D200ml,800ml
- E250ml,750ml
欲配制1%过氧乙酸1000ml,需要20%的过氧乙酸原液和灭菌蒸馏水的ml数分别为()
①计算需20%过氧乙酸原液量X,则20%×X-1000×1%,计算得X=50(ml);②计算需灭菌蒸馏水量,根据题意20%过氧乙酸原液量+灭菌蒸馏水量=1000(ml),由①得知需20%过氧乙酸原液量为50ml,则灭菌蒸馏水量为950ml。
1、欲配制1%过氧乙酸1000ml,需要20%的过氧乙酸原液和灭菌蒸馏水的ml数
欲配制1%过氧乙酸1000ml,需要20%的过氧乙酸原液和灭菌蒸馏水的ml数分别为()A50ml,950mlB100ml,900mlC150ml,850mlD200ml,800mlE250ml,750ml
2、配制0.2%的过氧乙酸溶液1000ml,应取5%的过氧乙酸溶液的量是
配制0.2%的过氧乙酸溶液1000ml,应取5%的过氧乙酸溶液的量是A10mlB20mlC30mlD40mlE50ml
3、欲配制1%过氧乙酸1000ml,需要20%的过氧乙酸原液和灭菌蒸馏水的ml数
欲配制1%过氧乙酸1000ml,需要20%的过氧乙酸原液和灭菌蒸馏水的ml数分别为()A50ml,950mlB100ml,900mlC150ml,850mlD200ml,800mlE250ml,750ml
配制0.5%过氧乙酸2000ml,需2%过氧乙酸A100mlB200mlC300mlD400mlE500ml
5、欲配制1%过氧乙酸1000ml,需要20%的过氧乙酸原液和灭菌蒸馏水的ml数
欲配制1%过氧乙酸1000ml,需要20%的过氧乙酸原液和灭菌蒸馏水的ml数分别为()A50ml,950mlB100ml,900mlC150ml,850mlD200ml,800mlE250ml,750ml
6、配制0.2%的过氧乙酸溶液1000ml,应取5%的过氧乙酸溶液()
配制0.2%的过氧乙酸溶液1000ml,应取5%的过氧乙酸溶液()A400mlB40mlC20mlD10mlE4ml