How many moles of salt are in 13.8g of sodium chloride

0.236 mol

Explanation:

To find the moles of salt, divide the grams by the molar mass of sodium chloride which is 58.44 g/mol.

13.8/58.44=0.236 moles

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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