Seeking expert advice: Regarding the calculation of solubility (common mistakes! ! ! ）

2020-10-22View Original

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A factory uses recycled waste sulfuric acid and iron filings, mixed and heated in a soil-based process to produce green vitriol (FeSO4·7H2O). If 2,730 kilograms of a saturated solution at 50°C are cooled to 20°C, how many kilograms of malachite will precipitate? (Solubility of FeSO4: 48.6 grams at 50°C, 20.5 grams at 20°C)

Reply #22020-10-22

I calculated it to be 516.3 kg; I’m not sure if that’s correct

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Seeking expert advice: Regarding the calculation of solubility (common mistakes! ! ! ）

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