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1. |
What is the average molecular weight of a gas containing 20% N2 (molecular wt. = 28) and 80% SO2 (molecular wt. = 64)? |
A. | 28.4 |
B. | 56.8 |
C. | 24.4 |
D. | 48.8 |
Answer» C. 24.4 | |