Given the table of data below determine the identity of the unknowns. You must w

Question

Given the table of data below determine the identity of the unknowns. You must write out the name of the compound, do not type the chemical formula! 111 is ( ) 280 is ( ) 377 is ( ) 1458 is ( ) Given the table of data below determine the identity of the unknowns. You must write out the name of the compound, do not type the chemical formula! 111 is ( ) 280 is ( ) 377 is ( ) 1458 is ( ) 28 1,458 280 377 111 NR 1,458 NR 280 NIR 377Pale blue precipitate NR NR Yellow precipitate NR Tan precipitate NFR

Explanation / Answer

Solution :-

111 is blue color and clear therefore it is Cu(NO3)2 solution

It gives pale yellow precipitate with 377 means Na2CO3 because the CuCO3 has green to pale yellow color.

377 given tan precipitate with 377 means 280 is the AgNO3 because Ag2CO3 forms the tan color precipitate

So the 1458 is the KI

So the identity of the each is as follows

111 = Copper (ll) nitrate = Cu(NO3)2

377 = Sodium carbonate = Na2CO3

280 = Silver nitrate = AgNO3

1458 = Potassium iodide = KI

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