September 2018 1 11 Report

1 . Do 200 cm3 roztworu o stezeniu 15 % i gestosci 1.2 g / cm2 dodano 60 cm3 wody. Oblicz stezenie procentowe danego roztworu .

2. do 60 g 20 % roztworu kwasu siarkowego (VI) dodano 20 g wody . jakie jest stezeniue procentowe danego roztworu?


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