阿摩線上測驗
12. The partial pressures of CH4, N2, and O2 in a sample of gas were found to be 135 mmHg, 508 mmHg, and 571 mmHg, respectively. Calculate the mole fraction of nitrogen.
(A) 20.4
(B) 0.470
(C) 0.418
(D) 0.751
(A) 20.4
(B) 0.470
(C) 0.418
(D) 0.751
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統計： A(0), B(0), C(2), D(0), E(0) #3328486
統計： A(0), B(0), C(2), D(0), E(0) #3328486
