纯水在121度沸腾,对应的压强应该是多少?

2.0237个大气压

水的饱和线数据(沸点和气压对应关系100～140℃)

温度(℃) 压强(大气压)
100 → 1.0009
101 → 1.0372
102 → 1.0745
103 → 1.1129
104 → 1.1525
105 → 1.1932
106 → 1.2351
107 → 1.2782
108 → 1.3226
109 → 1.3682
110 → 1.4150
111 → 1.4632
112 → 1.5128
113 → 1.5637
114 → 1.6160
115 → 1.6697
116 → 1.7249
117 → 1.7816
118 → 1.8397
119 → 1.8995
120 → 1.9608
121 → 2.0237
122 → 2.0882
123 → 2.1544
124 → 2.2224
125 → 2.2920
126 → 2.3634
127 → 2.4367
128 → 2.5117
129 → 2.5886
130 → 2.6675
131 → 2.7482
132 → 2.8310
133 → 2.9157
134 → 3.0025
135 → 3.0913
136 → 3.1823
137 → 3.2754
138 → 3.3708
139 → 3.4683
140 → 3.5681