The solubility of copper(II) sulfate (CuSO₄) at 20 °C is approximately 24 grams per 100 milliliters of water. This value can vary slightly depending on the source or the specific form of CuSO₄ (e.g., anhydrous vs. pentahydrate), but for the pentahydrate form (CuSO₄·5H₂O), which is more commonly encountered, the solubility around that temperature is typically cited as being around that amount.
1. What is the solubility of CuSO4 (pink line) at 20 °C?
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