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OpenStudy (anonymous):
Which of the following pairs share the same empirical formula? NO2 and N2O4 CH4 and C2H4 PbCl2 and PbCl4 C2H6 and CH4
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OpenStudy (noelgreco):
The ratios between the two elements are the same in compounds with the same empirical formula. Only one of the options qualifies.
OpenStudy (anonymous):
I know , but not sure which one
OpenStudy (anonymous):
NO2 & N2O4..
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