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//Chapter-10,Example 11,Page 255
clc();
close();
E_cell = 0.123
E_calomel = 0.2415
E_Q = 0.6990
//E_Q/H2Q = E_Q - 0.0592 *pH
//E_cell= E_Q/H2Q - E_calomel
pH = (E_cell + E_calomel - E_Q)/(-0.0592)
printf('the pH of solution is pH = %.2f',pH)
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