Which of the following is the strongest acid?O H3BO3 (Ka for H3BO3 is 5.4 x 10 10)O HF (Ka for HF is 7.2 x 10 4)O HCN (Ka for HCN is 4.9 x 10)O HCNO (Ka for HCNO is 2 x 10) Calculate the pH of a 0.42 M H,SO, solution.Give your answer to 2 places after the decimal.

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Which of the following is the strongest acid? O H3BO3 (Ka for H3BO3 is 5.4 x 10 10) O HF (Ka for HF is 7.2 x 10 ) O HCN (Ka for HCN is 4.9 x 10 1) O HCNO (Ka for HCNO is 2 x 10)

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter13: Acids And Bases

Section: Chapter Questions

Problem 152AE

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Concept explainers

Ionic Equilibrium

Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.

Arrhenius Acid

Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.

Bronsted Lowry Base In Inorganic Chemistry

Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.

Question

Which of the following is the strongest acid?
O H3BO3 (Ka for H3BO3 is 5.4 x 10 10)
O HF (Ka for HF is 7.2 x 10 4)
O HCN (Ka for HCN is 4.9 x 10)
O HCNO (Ka for HCNO is 2 x 10)

Calculate the pH of a 0.42 M H,SO, solution.
Give your answer to 2 places after the decimal.

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