October 2018 1 65 Report

oblicz ile gramow wody trzeba dodac do 450g 45procentowego roztworu aby otrzymac roztwor o stezeniu 15%

oblicz objetosc wody i stezonego kwasu solnego o stezeniu 36% i gestosci 1,18g/cm3 jakie nalezy zmieszać aby otrzymac 9,5dm3 10% roztworu o gestosci 1,05g/cm3


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