The acidity of a solution is measured by its pH.If (T*]represents the concentration of hydrogen ions (in moles/liter) in the solution, the pH is defined bypH = – log Ht||Suppose a solution has pH = 1.98.(a) Rewrite the logarithmic form of the equation into exponential form.indicates two way equivalence)Click for List- ]– log H+pH OClick for ListClick for List(b) FindHt, the approximate concentration of hydrogen ions. (Select one)O [H*]= 0.2967 moles/liter[H']~0.5051 moles/literO [H*]= 0.01047 moles/literO [H*]~ -0.2967 moles/literO [H*]=0.03177 moles/liter[H*]= -95.4993 moles/literO [H*]=3.3708 moles/liter

The acidity of a solution is measured by its pH. If Ht represents the concentration of hydrogen ions (in moles/liter) in the solution, the pH is defin pH – log H+ Suppose a solution has pH = 1.98. (a) Rewrite the logarithmic form of the equation into exponential form. indicates two way equiva Click for List – log H+ pH O Click for List Click for List (b) Find H+, the approximate concentration of hydrogen ions. (Select one) [H*]~0.2967 moles/liter O [H*]~ 0.5051 moles/liter O [H*]~0.01047 moles/liter [H*]= -0.2967 moles/liter [H*]~0.03177 moles/liter O [H*]~ -95.4993 moles/liter [H*]~3.3708 moles/liter

The acidity of a solution is measured by its pH. If Ht represents the concentration of hydrogen ions (in moles/liter) in the solution, the pH is defin pH – log H+ Suppose a solution has pH = 1.98. (a) Rewrite the logarithmic form of the equation into exponential form. indicates two way equiva Click for List – log H+ pH O Click for List Click for List (b) Find H+, the approximate concentration of hydrogen ions. (Select one) [H]~0.2967 moles/liter O [H]~ 0.5051 moles/liter O [H]~0.01047 moles/liter [H]= -0.2967 moles/liter [H]~0.03177 moles/liter O [H]~ -95.4993 moles/liter [H*]~3.3708 moles/liter

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter15: Solutions Of Acids And Bases

Section: Chapter Questions

Problem 15.91QE

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Acidity of a solution is determined by the concentration H of hydrogen ions in the solution (measured in moles per liter of solution). Chemists use the negative of the logarithm of the concentration of hydrogen ions to define the pH scale, as shown in the following formula. pH = - log (H) Lower pH values indicate a more acidic solution. (a) Normal rain has a pH value of 5.6. Rain in the eastern United States often has a pH level of 3.8. How much more acidic is this than normal rain? (Round your answer to two decimal places.) (b) If the pH of water in a lake falls below a value of 5, fish often fail to reproduce. How much more acidic is this than normal water with a pH of 5.6? (Round your answer to two decimal places.)
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Use the References to access important The pH scale was designed to make it convenient to express hydrogen ion concentrations that are small in aqueous solutions. The definiton of pH is in terms of base 10 logarithms pH = -log[H+] where [H] is the hydrogen ion concentration. a. If the hydrogen ion concentration in a solution is 5.58 x 10-3 mol/L, the pH is b. If the pH of a solution is 3.007, the hydrogen ion concentration is mol/L.