Two acid solutions are to be mixed together

来源：学生作业帮编辑：百度作业网作业帮分类：英语作业时间：2024/04/28 16:17:00

Two acid solutions are to be mixed together
solution A is 30% acid by volume
solution B is 70% acid by volume
How much of solution A is needed to mix with solution B to make an 800 mL mixture that is 54% acid by volume?Answer to the nearest millilitre.
急

两种酸性溶液混合在一起
A溶液中酸的体积浓度是30%
B溶液中酸的体积浓度是70%
问:如果要配置酸体积浓度是54%的溶液800毫升,需要A和B各多少?单位用毫升.
(A*0.3+B*0.7)/800 = 0.54
A+B=800
0.4A=128
A=420ml,则B=800-420=380ml

Two people are together important be feeling,together your f If two people are meant to be together ,eventually they'll f If two people are meant to be together, eventually they'll f 英语翻译When two people are meant to be together,no time is too If two people are meant to be together,eventually they'll fi ..we are meant to be together we are happy to be together to be together 是不是动词不定式.为什么是用be people that are meant to be together will always be together you konw we are meant to be together 英译法：some people are meant to be together.. They are happy to be together什么意思 There seems to be no solutions to the problem.翻译