Sodium nitride (NaNO2) is often used as a preservative for meats.a) Knowing that the Ka of nitrous acid (HNO2) is 4.52 x 10-4, find the concentration of OH-, the concentration of [H3O+] and the pH of a nitride solution sodium (NaNO2) 0.150 M. (Reminder: the nitride ion, NO2-, is the conjugate base of nitrous acid)b) What amount (in mol) of sodium nitrite (NaNO2) needs to be added to 100.0 mL of 0.150 M nitrous acid (HNO2) in order to prepare a buffer solution with a pH of 3.50?

Salt hydrolysis mainly takes place when one of the component of salt is weak. The weak part of a…

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Sodium nitride (NaNO₂) is often used as a preservative for meats.
a) Knowing that the Ka of nitrous acid (HNO₂) is 4.52 x 10^-4, find the concentration of OH^-, the concentration of [H3O⁺] and the pH of a nitride solution sodium (NaNO₂) 0.150 M. (Reminder: the nitride ion, NO2-, is the conjugate base of nitrous acid)

b) What amount (in mol) of sodium nitrite (NaNO₂) needs to be added to 100.0 mL of 0.150 M nitrous acid (HNO₂) in order to prepare a buffer solution with a pH of 3.50?

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