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What would need to happen if you wanted to melt NaCl?
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- True or False Adding salt to water will decrease its freezing point, which will increase the time it takes to freeze.why liquids like mineral oil or acetone are not good at dissolving salts, or why mineral oil and acetone molecules do not stick together as well as water molecules.What are the purposes of the following in recrystallization of solids? I) boiling stones – II) activated carbon - III) seed crystals –
- 9- Prepare 0.2 M of NaCl solution in 200 ml distill water *What is water hardness? Differentiate temporary from permanent water hardness.)Identify which ONE of the following statements is INCORRECT relating to the dissolution of ionic solids. a. Dissolution involves a balance of attractive and repulsive forces in the crystal structure and between ions and water molecules. b. Hydration shells of water molecules form around each ion in solution. c. Ion-dipole interactions form between the ions and water. d. The enthalpy of dissolution must be exothermic for dissolution to occur. e. The unit formula of an ionic solid indicates the stoichiometric ratio of ions that will exist in solution.