A.85.0g·dm-3 B.5.41g·dm-3 C.54.1g·dm-3 D.8.50g·dm-3
A.4.99%,755KPa B.29.2%,753KPa C.30.1%,92.6KPa D.4.99%,89.8KPa
A.101.3KPa B.1013KPa C.略高于101.3KPa D.略低于101.3KPa