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1. |
The highest pressure gas of a mixture has partial pressure p, the partial pressure of other gases decreases by factor of 2n-1, the partial pressure of second gases decreases by a factor of 2, partial pressure of third gas increases by 4, and so on, if the total pressure of gas mixture is 31p/16, how many gases are present in the mixture? |
A. | 3 |
B. | 5 |
C. | 10 |
D. | 15 |
Answer» C. 10 | |