How to calculate how much water reducing agent is used for one cubic meter of concrete?

what is the main component of the water-reducing agent? lignin sulfur calcium (agent) is generally 0.2%~0.5%. naphthalene-based water-reducing agent is generally 0.5%~0.75 %water-soluble water-soluble resin superplasticizer is generally 0.5%~2.0%the general suitable parameter for molasses water-reducing agent is 0.1%~0.3%it depends on which one you use. the recommendations of various manufacturers are different. just call the manufacturer…