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Solid sodium chloride has a structure where each Na is attracted to the six Cl that surround it and vice versa, to make it melt you must provide enough energy to allow these bonds to be rearanged so that the atoms can move around. Once you break all of the bonds the NaCl will evaporate.
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How does NaCl melt ice?
Yes, because the heat of dissolution in water of NaCl is released and the freezing point of water lowered.
Which is faster to melt glucose or sodium chloride?
Glucose (Melting point: 146° C) will melt faster than NaCl (Melting point: 801° C)
What happens if NaCl is heated to long?
If you heat NaCl to 801 degrees C, it will melt and if heated to 1413 degrees C, it will boil. You can definitely melt salt in a Bunsen burner flame in one class period, but heating it to boiling would take some time.
Why doesn't table salt melt easy?
Table salt (NaCl) is an ionic solid. Ionic solids are held by electrostatic forces of attraction. These forces are very strong and account for the high melting point of NaCl.
Which formula and name of the chemical sold as ice-melt?
It's a mix of mostly NaCl and a little CaCO3
What happens when NaCl is heated?
If you heat it to 801 degrees Celsius, it melts.
Can regular salt melt ice?
Yes, because the freezing point of salted water is lower; the heat of NaCl dissolution is released.
What temperature does salt freeze at?
Table salt (NaCl) melts (or freezes) at 801o C. Salt is difficult to melt because it is an ionic compound. Ionic bonds are the strongest.
Why melting point of NaCl is very high?
NaCl is an ionic compound formed between Sodium and Chlorine by transfer of electrons. Since, they are ionic, they are held by very strong electrostatic forces and hence, the bonding is quite strong. Therefore, a large amount of heat has to be supplied to melt it.
How many moles are present in 234g of NaCl?
1 mole NaCl = 58.443g NaCl 234g NaCl x 1mol NaCl/58.443g NaCl = 4.00 moles NaCl
Why is the electrical conductivity of NaCl different when it is molten or dissolved in water?
Solid sodium chloride is not an electrolyte; water solution of NaCl is an electrolyte (also melted NaCl).
How many grams are in 0.48 moles if NaCl?
1 mole NaCl = 58.44g NaCl0.48mol NaCl x 58.44g NaCl/1mol NaCl = 28g NaCl
