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【单选题】
某 NO3 离子选择性电极 K(NO3 ,SO4)=4.1×10,用此电极在 1.0mol/LH2SO4 介质中测定- - -4 2-NO3 ,若 α(NO3 )=8.2×10,则测定中 SO4引起的误差为 ( )。A.
5.0E-4
B.
0.005
C.
0.01
D.
0.05
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A.
finish everything according to their own thoughts
B.
finish everything according to what their boss wants them to do
C.
finish everything with the help of their boss
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A.
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B.
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C.
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D.
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