Problem 18 18 of 27 Review I Constants I Periodic Table Assuming a total pressure of 9.8 atm, what is the partial pressure of helium in the mixture of 98 % helium and 2.0 % oxygen breathed by deep-sea divers? Express your answer using two significant figures. ΑΣφ ? atm Submit Request Answer Part B What is the partial pressure of oxygen in the mixture? Express your answer using two significant figures. VA ΑΣΦ atm P Pearson Contact Us Copyright O 2019 Pearson Education Inc. All rights reserved. | Terms of Use Privacy Policy | Permissions F12 II F8 F11 F10 F9 DO0 O00 F7 F6 F5 F4 F3

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Potentiometric Titrations

Potentiometric titration is one of the important titration methods and is mainly carried out to characterize acid solutions. It follows a method similar to that of the normal titration technique, but the main difference is that there is no indicator used in the potentiometric titrations. Instead of using an indicator, electrodes are employed for monitoring the whole titration process. A scientist named Robert Behrend did the potentiometric titration for the first time, and it was done using the mercurous solution and potassium chloride.