試題詳解

4. A spherical glass container of unknown volume contains helium gas at 25°C and 1.960 atm. When a portion of the helium is withdrawn and adjusted to 1.00 atm at 25°C, it is found to have a volume of 1.75 cm³ . The gas remaining in the first container shows a pressure of 1.710 atm. The volume of the spherical container is L.
(A) 7 × 10^-4
(B)7 × 10^-3
(C) 7 × 10^-2
(D) 0.7
(E)7