Which of these actions will cause more potassium nitrate to dissolve in a saturated potassium nitrate solution?
I. Grind the potassium nitrate and then add to the solution while stirring
II. Add more potassium nitrate while using a magnetic stirrer
III. Add more potassium nitrate and heat the solution

I only

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II only

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III only

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I and III only

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I, II, and III

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Solution

The correct option is D III only
Saturated solution means no more solute can be dissolved into it; so, if we want to dissolve more potassium nitrate in the saturated solution, then we have to increase the solubility of solvent and solubility of solvent can be increased by heating the solvent

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Which of these actions will cause more potassium nitrate to dissolve in a saturated potassium nitrate solution?I. Grind the potassium nitrate and then add to the solution while stirringII. Add more potassium nitrate while using a magnetic stirrerIII. Add more potassium nitrate and heat the solution

The correct option is D III onlySaturated solution means no more solute can be dissolved into it; so, if we want to dissolve more potassium nitrate in the saturated solution, then we have to increase the solubility of solvent and solubility of solvent can be increased by heating the solvent

The correct option is D III only
Saturated solution means no more solute can be dissolved into it; so, if we want to dissolve more potassium nitrate in the saturated solution, then we have to increase the solubility of solvent and solubility of solvent can be increased by heating the solvent