A. 128
B. 8
C. 16
D. 64
Correct Answer:
Option A – 128
A gas X diffuses twice as fast as gas Y. if the relative molecular mass of X is 32, calculate the relative molecular mass of Y.
![What is the relative molecular mass of a compound which has empirical formula CH2O? [C= 12, H= 1, O= 16]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "What is the relative molecular mass of a compound which has empirical formula CH2O? [C= 12, H= 1, O= 16]")
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