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Answered 2013-04-17 13:13:29

concentration of ions in the solution increases!

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Dissolving salt in water increase the conductivity of the solution because?

Sodium chloride is dissociated in ions Na+ and Cl-.


How does the electrical conductivity of ionic compounds change when they are melted or dissolved in water?

Melting or dissolving ionic compounds increases the electrical conductivity. This is because there are free mobile charged ions that can move in the electric field and conduct current.


HOW DOES the electrical conductivity of ionic compounds change when they are melted or dissolved in water why is this so?

Melting or dissolving ionic compounds increases the electrical conductivity. This is because there are free mobile charged ions that can move in the electric field and conduct current.


What happens when conductivity rises in water?

Water conductivityPure water is not a good conductor of electricity. Ordinary distilled water in equilibrium with carbon dioxide of the air has a conductivity of about 10 x 10-6 W-1*m-1 (20 dS/m). Because the electrical current is transported by the ions in solution, the conductivity increases as the concentration of ions increases.Thus conductivity increases as water dissolved ionic species.


How does dissolving an ionic compound in water increase electrical conductivity?

This is because the crystal lattice is broken down and there are free mobile charged ions in solution that can move in the electric field and conduct current.



As the temperature of an aqueous solution increases what does the concentration of gas dissolved in the solution do. why?

The concentration of the gas dissolved in a solution will go down as temperature goes up. This is because dissolving gas into a solution releases heat, so adding heat favors the release of gas from solution.


Why cant you see sugar or salt when it is dissolving?

Because after dissolving a solution is formed and separate substances are invisible now.


Why is there difference in conductivity between 5 percent NaCl solution and pure NaCl?

The solution has a greater conductivity than the solid NaCl because after dissociation the solution contain ions as Na+ and Cl-.



Why is the solvent water?

the solvent is water because a solvent is a liquid that does the dissolving in a solution.


How are conductivity and concentration of a salt solution related?

The greater the concentration of salt in an aqueous solution, the higher the electrical conductivity. This is because, with a greater salt concentration, there are more ions available to serve as a path for electron transfer in the solution.


When a soluble metallic salt is added to water its electrical conductivity decreases?

No. Its electrical conductivity increases because the positive and negative ions of the salt dissociate in the water.


Why does the thermal conductivity of a gas increase with increasing temperature?

Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably!


Why grinding an antacid tablet increases the rate of dissolving in water?

This is because the surface area of the tablet is increased.


When solute particle size increases the rate of dissolving?

No, if the particle size increases the rate of dissolving would be much slower. This is because it takes place at the surface of the particle so if its larger is would be slower. So if he particle size is smaller the rate of dissolving will increase much quicker depending on the size.


What is the conductivity of Hydrochloric acid?

That's a difficult question to answer, because "pure" hydrochloric acid is a gas at room temperature, and the conductivity of a solution of hydrochloric acid depends on the concentration.


Why do you need a spray ball in the water tank?

because the water has to be separated from the air above in order to prevent CO2 from dissolving and raising the water conductivity


What is the relationship of conductivity to ions in solution?

because the ions has ability to conuct the charge it carry by ion


Does temperature affect electrical conductivity and how?

Not sure, in my 9th standard (level of Indian standard education),we studied about conductors....."when temperature increases conductivity of a conductor is also increases". but it is not true in all case because of the properties of the conductors. in some case ...'temperature increase the resistance of a conductor increases so conductivity decreases '. for example: in olden days electronic equipments is more efficient when the atmospheric temperature increases or presence of heat .


What physical changes occur to thermal conductivity?

because atoms expands when temperature increases in result physical changes.


Does solid sodium chloride have more conductivity than sodium chloride solution?

No, the solution is more conductive because it is aqueous and contains ions.


Is sugar dissolving a chemical or phyical change?

Sugar dissolving in water is a chemical change because sugar is Sucrose which in aqueous solution is broken down into Glucose and Fructose.


Why do some mixtures of ionic compounds form a solid precipitate?

Because the solid is the portion that is not dissolving in the solution.


Why is sodium hydroxide dissolving in water is a physical change?

Because the molecule of NaOH can be recovered unchanged from the solution.


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