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Chemistry, 29.01.2021 20:10 jazzwok

Helpo pls rnn only have 5 min The percent
composition of an
unknown substance is
75.42 % Carbon, 6.63
% Hydrogen, 8.38 %
Nitrogen, and 9.57 %
Oxygen. If its molar
mass is 668.0 g/mole
what is its molecular
formula?

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