difference between addition of caO in water and addition of kno3 in water
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difference between addition of caO in water and addition of kno3 in water
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With NaOH, you are only dissolving the material, whereas CaO reacts to make Ca(OH)
2
. The calcium hydroxide has a lower solubility in water than NaOH and so will precipitate out.
Adding NaOH to water:
NaOH+H
2
O=Na
+
and OH
−
ions. The reaction will be exothermic where heat will be released. Sodium hydroxide is considering a strong base and as such is able to completely and fully dissociate in aqueous solution.
Adding CaO to water:
A lot of heat (exothermic reaction) is produced in the reaction, which may even cause the water to boil.