下列各组水溶液，当将其等体积相混合时，哪些组可以用作缓冲溶液，为什么？(1) [tex=10.357x1.571]wqeOYjgMPDqEo8SIBRtesG4vdA4srJ63vHPxkAW1qek/sCBT15uSeBrQxMms4rP9q0TSe5trvcoZRTmvJAaGgK7SB/aaVhNiXOYlcG6Ow1U=[/tex] 和 [tex=9.357x1.571]CO93LafWk97JvY57jISureYbGtuKnUJkBIVtdfwSkVWzM1YANQjU3QboVEzusLNfPDh4jgwtHpc60EW5llPlVT+KEqpfKjFgcsGCdUp9QOM=[/tex](2) [tex=9.357x1.571]CO93LafWk97JvY57jISurY/tnu2nEqP8de6QceuQiWKannHaJakHvSRS4epwSB1DY/neZh5vEHVz8AL2ileL+U0BUXu34yP/fOhPhyl39Qg=[/tex] 和 [tex=10.071x1.571]cjQSCueTyIX/55v7lhH/0PWU3eY2TBusdAMBQuIvF9ooDUjYz2mmlK0oalBiBZh72yCr+ssD18oBkfRUNfxLQNYly57t7ujyyrPJkCfQzzM=[/tex](3) [tex=9.357x1.571]CO93LafWk97JvY57jISurY/tnu2nEqP8de6QceuQiWKannHaJakHvSRS4epwSB1DY/neZh5vEHVz8AL2ileL+U0BUXu34yP/fOhPhyl39Qg=[/tex] 和 [tex=10.714x1.571]8OF+3WH0xOYiNX6+eg8xT5R813xZb9FOA3T16v1X/RiuxyvF/837CZWGbBk4U/9EFHu0eWehQuL/slqm3AdvyyXV5g7yurHaLzQLHauqHG0=[/tex](4) [tex=10.214x1.571]HB/KMIjbSRvc6INx7qBFuSDmwKOG0YZioalPeCI8i4WSThznJIoVX9PsXtHTyNzjMvZFyYVnuGuok3h6UNLoi1TLx5Q52V0THOaYBlKT6IA=[/tex]和 [tex=10.857x1.571]wqeOYjgMPDqEo8SIBRtesD/6St1IFLJlo84HmpD2AblN9sWevK453qEwzjkZNia2mSENlq/c0Z0jgOZ9hG/lSAtfKfrAxEdRnGYRX1gH4Cs=[/tex]
解：(1) 混合后: [tex=25.643x1.571]DlukBOalDLao+VdMn5c5XX+bjdBAgZwRS6NTnaS3oY16blitWfQQ3WcXeHX02Q4EFkElABFOiWNamNvpAmJmlqiOSmR27aqsz5y6vzFn1kt0Nh4LZnWUgLFH6jJyI/yPXFrRt9gawEcTvFZGlSWlNwc6QQtEj+6YC7vaiYp7rjwMAuHta42ntqn6pOTxcwso3wVGkBmvxnwMyXmFaByKe9QYhQjew2fcP47Gdse064Q=[/tex][tex=10.714x1.357]JC0ErjKiHORJT22S+ID2kY3CqMOQjpg2+TFpUXNpYs9aJbH6RTLfcCKhlUK7Wd1fLZY42z5aa2cclkJSedQJ5dmg6XfbIsfH4Ue4oIcz5StWos3xrkES9gqnfSswlaQMSgqkYCST7SX0QSom9Ukfzw==[/tex]中和反应前：[tex=6.071x1.0]9SAkWSmPg887leJxyI9U3nggVFFkQhWMEMCxu1flats=[/tex]中和反应后： [tex=9.571x1.0]oTjbYm7HMOnKwsD74ApHhEfhAXQof9aJmPSIUpvzkpz4qKw0meFQvTIG1etUnBbj[/tex]中和反应后，无共轭酸碱对，不能作为缓冲溶液 (2)混合后: [tex=25.5x1.571]C0HWIb+Kz0/y1tZGGwvDmnhA0LyTz887e3VyprQKAI4wS3jK+GO1F1QQ91qANF91X7QXkkzTNCJJsd+JJ6yIuKtleYX1HcPhzcPZlvSl/clEiTD7TT72JdJ6OT79M4IJz/REnUwm91PDx+pKC05OZeTn9izPwwNJzMFEOugvzVOJhxo71iGKdHatjLw8RsjIOkOQ9QfxbiFJrKjcJug9lwYvM+8Cqj69YJ7cf2EztvkZti8kU8O8zx8KCRsaogsRj0zmZfIo2+xb5k2QkEQoEQ==[/tex][tex=10.429x1.357]JC0ErjKiHORJT22S+ID2kY3CqMOQjpg2+TFpUXNpYs8F5mQwU2J3o4O11Q/aXfg77QixEiNfPxFB6kv1rpexx6M36LNveUkGfAxzHqD2aUlHL+hqzu++7t0N+P3h0ClQ[/tex]中和反应前：[tex=6.071x1.0]9SAkWSmPg887leJxyI9U3nggVFFkQhWMEMCxu1flats=[/tex]中和反应后：[tex=9.571x1.0]oTjbYm7HMOnKwsD74ApHhEfhAXQof9aJmPSIUpvzkpz4qKw0meFQvTIG1etUnBbj[/tex]中和反应后，有 [tex=4.357x1.357]aenJ5SFnBW1NgYHWXYWwa3cbizsQuMzyvBFx9+1LB3c=[/tex]共存，能作为缓冲溶液 (3)混合后: [tex=25.5x1.571]C0HWIb+Kz0/y1tZGGwvDmnhA0LyTz887e3VyprQKAI4wS3jK+GO1F1QQ91qANF91X7QXkkzTNCJJsd+JJ6yIuKtleYX1HcPhzcPZlvSl/clEiTD7TT72JdJ6OT79M4IJz/REnUwm91PDx+pKC05OZeTn9izPwwNJzMFEOugvzVOe1Gwiw4zRWofRTi9/N9CVAb9c8ZPPGWkWYvd/dAmBBsxGgckbDedWflKd8h1gxd7OI6gyY3mKcWk4P60sgKeyj36CST3eb0crNwteXy9D6A==[/tex][tex=11.571x1.429]zgavvfIdDFJT75CXpzokBIHCnBPgTCEu0rEYcv1yMXsUymk0jc6aCWIGaqoY1hOt78j7O7XkiMC64kUYhtnIwmj0OiOkMNpYfSCJWHaRYOndLN7E+NWdb0aEO0/7n53KI7Dnilg6Q0b/i6iuGg1yQ63nMBQrH1uD2kXk3Al42O0=[/tex]中和反应前：[tex=6.071x1.0]9SAkWSmPg887leJxyI9U3nggVFFkQhWMEMCxu1flats=[/tex]中和反应后：[tex=9.571x1.0]oTjbYm7HMOnKwsD74ApHhEfhAXQof9aJmPSIUpvzkpz4qKw0meFQvTIG1etUnBbj[/tex]中和反应后，为强酸 [tex=2.571x1.357]Bb2YQ8rVNLP/lrmHn6A+dQ==[/tex] 和弱酸 [tex=3.429x1.357]HeJVCLfQB+2mX/AZKO1QfZojaqRM4msWIcI6aymF4olL801ZmKF8RDq4SEiOojDj[/tex] 的混合液，不能作为缓冲溶液 (4)混合后: [tex=25.0x1.571]C0HWIb+Kz0/y1tZGGwvDmsosPHDPftNhSnQerttm4C3GeOqsu8gczhyczcu0T5ZRBJIPWljvmOjQ8qQODZXu6iWgXCvjvFjIbPzJf7bRRQPjPB9HFBE5o2sSmld7avAssxyb4HAQyz/IKA9Vl/K9E84YQFN6MK0VTYluBTUa5YSoXspLH/Ea6V1JS8vbKTat56RHr2owY493tb/lDxE+sBN2R5X3Muo5NbaKbp5Al8i5gy/iW7o91iS0brTjy1Ge[/tex][tex=11.071x1.429]HB/KMIjbSRvc6INx7qBFuZpjorC/OLh/0pInVTjKBHBaRvaD08DF3uu/3YJwQo45g5Kml6RfLD2wad2ejfRDvjl9jVYFv2p6s+uRL+XM+yTpAA3SfJiHcmxWipeiMbnw[/tex]中和反应前：[tex=6.571x1.0]nXQqEqzuR1uct891IQL/1sMxVuIsmZaaa0pEiKf27Bw=[/tex]中和反应后：[tex=9.571x1.0]+NTWwwLh/IEtPjt4w++CMupBvv5eE7YtTnAYWbR6mJrm58b43TR0M8WV5Rsd2Sla[/tex]中和反应后，有 [tex=5.071x1.429]HB/KMIjbSRvc6INx7qBFuSQWZe1mTUsVPvsr42bdTMPNYRJzQ30JDKfNYhTppRsO[/tex] 共存，能作为缓冲溶液.
举一反三
- >>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为？ A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- 【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=
- 输出九九乘法表。 1 2 3 4 5 6 7 8 9 --------------------------------------------------------------------- 1*1=1 2*1=2 2*2=4 3*1=3 3*2=6 3*3=9 4*1=4 4*2=8 4*3=12 4*4=16 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 9*1=9 9*2=18 9*3=27 9*4=36 9*5=45 9*6=54 9*7=63 9*8=72 9*9=81
- 设DES加密算法中的一个S盒为： 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 14 4 13 1 2 15 11 8 3 10 6 12 5 9 0 7 0 15 7 4 14 2 13 1 10 6 12 11 9 5 3 8 4 1 14 8 13 6 2 11 15 12 9 7 3 10 5 0 15 12 8 2 4 9 1 7 5 11 A: 1010 B: 0001 C: 1011 D: 0111
内容
- 0
下面语句的输出结果是？range(len('HelloWorld')) A: [1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11] B: 11 C: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] D: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
- 1
下面是图的拓扑排序的是？(多选)[img=340x240]1802faef6ebcc2a.png[/img] A: 2 8 0 7 1 3 5 6 4 9 10 11 12 B: 2 8 7 0 6 9 11 12 10 1 3 5 4 C: 8 2 7 3 0 6 1 5 4 9 10 11 12 D: 8 2 7 0 6 9 10 11 12 1 3 5 4
- 2
list(range(-1,10,2)) A: [0, 2, 4, 6, 8, 10] B: [-1, 1, 3, 5, 7, 9] C: [0, 2, 4, 6, 8]
- 3
下面是图的拓扑排序的是？(多选)[img src="https://i1.chinesemooc.org/course/formula/201610/eb69927aaf8baae83211ee3fadf836e7.png"] A: 2 8 0 7 1 3 5 6 4 9 10 11 12 B: 2 8 7 0 6 9 11 12 10 1 3 5 4 C: 8 2 7 3 0 6 1 5 4 9 10 11 12 D: 8 2 7 0 6 9 10 11 12 1 3 5 4
- 4
【单选题】myarray1=np.arange(15) myarray2=myarray1.reshape(5,3) print( myarray1) print(myarray2) 输出值是? A. [ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15] [[ 0 1 2] [ 3 4 5] [ 6 7 8] [ 9 10 11] [12 13 14]] B. [ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15] [[ 1 2 3] [ 4 5 6] [ 7 8 9] [10 11 12] [13 14 15]] C. [ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14] [[ 0 1 2] [ 3 4 5] [ 6 7 8] [ 9 10 11] [12 13 14]] D. [ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14] [[ 1 2 3] [ 4 5 6] [ 7 8 9] [10 11 12] [13 14 15]]