SC-935
Solubility
Lower Sec Science · Secondary 1 · Medium · Solubility
A teacher gives students 100 ml of water at 20 °C and asks them to make a saturated solution of solid W. Which action will correctly produce a saturated solution?
- Add W until some solid remains undissolved at the bottom after stirring.
- Add a small fixed mass of W and stop once it dissolves completely.
- Heat the water to 60 °C before adding any W.
- Use less water so that the solution becomes more concentrated.
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