The buffer solution can be obtained by injecting CO2into NaHCO3solution.
举一反三
- Of the following buffer solutions, the one with the strongest buffer is A: 0.1mol·L-1NH3·H2O solution and 0.1mol·L-1NH4Cl solution are mixed in equal volumes B: 0.2mol·L-1NH3·H2O solution and0.2mol·L-1NH4Cl solutionare mixed in equal volumes C: 0.2mol·L-1NH3·H2O solution and0.2mol·L-1NH4Cl solutionare mixedat a volume ratio of 2:1 D: 0.1mol·L-1NH3·H2O solution and0.2mol·L-1NH4Cl solutionare mixedat a volume ratio of 2:1
- Which<br/>of the following buffer solutions have the largest buffer capacity? ( ) A: 1L 0.1 M HAc solution + 1L 0.2 M NaAc solution B: 1L 0.15 M HAc solution + 1L 0.15 M NaAc solution C: 1L 0.1 M HAc solution + 1L 0.1 M NaAc solution D: 1L 0.2 M HAc solution +1L 0.1 M NaAc solution
- TheKaof the conjugate acid in a buffer solution is 1.0×10-6, it is theoretically inferred that the effective buffer range of the buffer solution is A: 6~8 B: 7~9 C: 5~7 D: 5~6
- Given the prototype function, the analytic solution of each derivative can be obtained by the function. A: path_integral() B: sin() C: surf_integral() D: diff()
- According to the definition of buffer solution, the option that cannot form a buffer is A: HCl B: NaH2PO4 C: NaAc D: NH4Cl-NH3