Solutions
Your child will quantify dissolving and predict boiling, freezing and osmotic shifts accurately. Solutions typically carry about seven marks, often a concentration plus colligative-property numerical. Learners study solution types with concentration terms, solubility with vapour pressure, Raoult law with ideal and nonideal behaviour, colligative properties spanning boiling elevation and freezing depression, osmotic pressure, abnormal molar masses and the van Hoff factor. Three errors recur. Students interchange molarity with molality units carelessly. They apply Raoult law to nonvolatile solut
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