October 2018 2 13 Report

1. Do 3,5 kg wody wsypano 0,5 kg cukru. Jaki procent stanowi cukier w otrzymanym syropie.? 2. Pewien chemik mlody wlał 0,3 kg kwasu do 2,2 kg wody. Jakie jest stezenie procentowe kwasu w tym roztworze.?


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