配制0.2%的过氧乙酸溶液5000ml,需用50%过氧乙酸溶液的量为A.10mlB.20mlC.30mlD.40mlE.50ml
配制0.2%的过氧乙酸溶液5000ml,需用50%过氧乙酸溶液的量为
A.10ml
B.20ml
C.30ml
D.40ml
E.50ml
相关考题:
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A.10mlB.20mlC.30mlD.40mlE.50ml
配制0.2%的过氧乙酸溶液5000ml,需用50%过氧乙酸溶液的量为
A.10ml
B.20ml
C.30ml
D.40ml
E.50ml