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Sulphuricacidisdilutedbymixingconcentratedacidwithwaterintheratioacid:water=2:25.Itisthenfurtherdilutedbyaddingwatersothattheratioweakacid:water=1:4.Howmuchconcentratedacidisneededtomake300mLofthefinalmixture

题目详情
Sulphuric acid is diluted by mixing concentrated acid with water in the ratio acid :water=2 :25.It is then further diluted by adding water so that the ratio weak acid :water=1 :4.How much concentrated acid is needed to make 300mL of the final mixture.
以上求高人翻译.
▼优质解答
答案和解析
稀释硫酸,是用浓硫酸跟水,按:2:25比例混合的.
它可以进一步被稀释,再加水,按:1:4比例.
请问:如果要做300毫升最终的稀硫酸,需要多少原始的浓硫酸?
【是化学计算题吧.
祝好!