Chemistry, 28.05.2021 14:00 pearpeaerrr1993

Metal klorürleri içeren bir numunenin 0,8 gr’lık bir kısmı suda çözlüyor ve tam 500 mL’ye seyreltiliyor. Bu çözeltinin 25 ml’lik kısmında sodyum, NaZn(UO2)(OAc)9.6H2O
şeklinde çöktürülüyor. Çökelti süzülüyor, asitte çözülüyor ve uranyumu U4+’ya
dönüştürmek için kurşunlu indirgeyiciden geçiriliyor. U4+’yı UO2
2+’ya yükseltgemek için
19,9 mL 0,01 M K2Cr2O7 harcanıyor. Numunedeki NaCI’ün (58,5 g/mol) yüzdesini
hesaplayınız.

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