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13 Dec 2019
The Na+ concentration of a solution was determined bymeasurement with a sodium ion-selective
electrode. The electrode system developed a potential of -0.2331 Vwhen immersed in 10.0 mL of
the solution of unknown concentration. After addition of 1.00 mL of2.00 x 10-2 M NaCl, the potential changed to -0.1846 V. Calculatethe Na+ concentration of the original solution.
The Na+ concentration of a solution was determined bymeasurement with a sodium ion-selective
electrode. The electrode system developed a potential of -0.2331 Vwhen immersed in 10.0 mL of
the solution of unknown concentration. After addition of 1.00 mL of2.00 x 10-2 M NaCl, the potential changed to -0.1846 V. Calculatethe Na+ concentration of the original solution.
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