September 2018 1 1K Report

1.Oblicz masę węgla potrzebną do uzyskania 50 g węglanu wapnia, jeśli wiesz, że sół otrzymano, spalając węgiel w tlenie do CO2, a następnie przeprowadzono reakcję dwutlenku węgla z CaO. Czy można w tym rozwiązaniu zastosować uproszczenie?

2.Oblicz masę tlenu potrzebną do utlenienia wapnia do tlenku wapnia. Tlenek wapnia wykorzystano następnie do otrzymania 80g CaCO3 w drodze syntezy c CO2.

3.Oblicz masę chlorku cynku, który powstaje podczas reakcji 40g cynku z 40g kwasu solnego.

4. Oblicz masę siarcznau(VI) sodu, który powstał, jeśli do reakcji użyto 65g NaOH i 90g H2SO4.

Jeśli możecie to piszcie wszystko jasno, gdyż na podstawie tych zadań chciałabym się pouczyć. Z góry dziękuje. ;)

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