1. Oblicz, ile gramów octanu sodu CH₃COONa wykrystalizuje z 250g roztworu nasyconego w temperaturze 74°C, jeśli oziębimy go do 20°C?
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T=74C ms=148g mw=100g
mr=248g
248g r-ru--------148g soli
250gr-ru----------x
x=149,2gsoli
T=20C ms=124 mw=100g
mr=224g
224g r-ru-----124g soli
250g r-ru-------x
x=138,4g soli
Po ochłodzeniu wykrystalizuje10,8g soli