An unknown metal M reacts with S to form a compound with a formula M2S3 . If 3.12g of M reacts with exactly 2.88 g of S, what is the name of metal M and compound M2S3 ?2M +3S -->M2S3

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Explanation:

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93.2 ml + 3920 ml = 4013 ml total  

(93.2 ml) * (2.03 m) / (4013 ml) = 0.0471 m

the volume in in l of the diluted solution would be 0.0471 m.

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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