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Phthalocyanine Is a Large Molecule Used in Printing Inks and Dyes.Elemental

Question 138

Multiple Choice

Phthalocyanine is a large molecule used in printing inks and dyes.Elemental analysis showed that it consists of 74.69% C, 3.525% H, and 21.77 % N and has a molar mass of 514.54 g/mol.What is its molecular formula?


A) C16H9N4
B) C30H8N10
C) C32H18N8
D) C32H4N9
E) C16H18N4

Correct Answer:

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