(单选题)2: 现有10g 氧气盛在容积为2 L 的容器内,压强为90.659 kPa ,则该氧气的温度为T ;单位体积的分子数为n 。它们的值分别为:
A: T = 69.8 K ;n = 9.4 × 10 25 m – 3
B: T = 698 K ;n = 9.4 × 10 25 m – 3
C: T = 69.8 K ;n = 94 × 10 25 m – 3
D: T = 698 K ;n = 94 × 10 25 m – 3
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