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Video instructions and help with filling out and completing Where 8850 Form Solutions

Instructions and Help about Where 8850 Form Solutions

So what does it mean that a compound is soluble in water what happens when a compound is dissolved in water let's use sodium chloride for example sodium chloride is table salt and if you were to pour table salt in water the table salt would appear to disappear it would dissolve in the water you won't see anymore you'll just have one clear solution but what's actually happening inside and chloride you have positive sodium cations and negative chloride ions attached to each other and so you got this big solid that's composed of ions and once you place this ionic crystal in water the water molecules are going to pull apart this crystal water is polar the oxygen part of water has a partial negative charge and the hydrogen part is partially positive overall water is electrically neutral but oxygen is more electronegative than hydrogen so it pulls the electrons toward itself does oxygen has a partial negative charge and hydrogen is partially positive due to this partial charge of the elements in water that makes water polar and a lot of salts like sodium chloride and other compounds they tend to dissolve in polar solvents so the oxygen part of water is attracted to sodium now we can see why opposites attract sodium has a positive charge oxygen has a partial negative charge the hydrogen part of water which has a partial positive charge that's attracted to the negatively charged chlorine atom and so what happens is that all of these water molecules are slowly pulling each ion in the crystal away from each other so the oxygen is pulling away the sodium ions and the hydrogen atoms are pulling away in the chloride ions so eventually these ions move apart and they're more attracted to water...

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