怎么稀释75%酒精来酒精擦浴,怎么稀释成30%
问题描述:
怎么稀释75%酒精来酒精擦浴,怎么稀释成30%
答
C(稀)*V(稀)=C(浓)*V(浓),30%*X=75%*100mL,X=250mL,也就是取100mL75%酒精加入150mL水,就制得30%的酒精.
怎么稀释75%酒精来酒精擦浴,怎么稀释成30%
C(稀)*V(稀)=C(浓)*V(浓),30%*X=75%*100mL,X=250mL,也就是取100mL75%酒精加入150mL水,就制得30%的酒精.