An acid (HA) dissociates as follows:HA → H* + A minusArrow should be interpreted as an equilibriumarrow.The pH of the 0.62 M solution of HA is 1.89.What is [HA]?Express your answer as a decimal, not anexponent.Please include a proper (abbreviated) unit.Your Answer:Answerunits

Answered: Image /qna-images/answer/073c2b53-9baf-4e28-bc05-dfd4d56ba32f.jpg

Answered: An acid (HA) dissociates as follows: HA…

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

Section: Chapter Questions

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

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Negative ions, designated by the notation [OH-] are always present in any acid or base. The concentration, [OH-], of these ions is related to [H*] by the equation [OH-] [H] = 10-14 moles per liter. Find the concentrations of [OH¯] and [H*] in moles per liter for the substances with the given pH value. pH = 12 ... The concentration of [H*] is moles per liter. (Type your answer using exponential notation.) The concentration of [OH-] is moles per liter. (Type your answer using exponential notation.)
An acid (HA) dissociates as follows: HA → H* + A minus Arrow should be interpreted as an equilibrium arrow. The pH of the 0.81 M solution of HA is 1.46. What is the K, of HA? Express your answer as a decimal, not an exponent. No unit, please. Your Answer: Answer
QUES TION 4 The pH value is an expression of the molarity of H30 ions in solution. This concentration has strong impact on chemical reactions. The molarity is very small value, and therefore awkward to use. The pH scale simplifies this concentration making communication easier and faster. Demonstrate the relationship between pH and H30 molarity, using the formula, pH = -log(H30) where ) indicates concentration in molarity of a substance. What is the pH of a solution, having the H30* concentration of 0.00014 M?
Draw the missing curved arrow notation for the rearrangement below. v 1st attempt O Add the missing curved arrow notation.
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Please answer the following, if you have a different answer please specify what you got.
The pH solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by pH=-logx where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the pH if the hydrogen ion concentration is 2.8x10-4.
An engineer wants to determine whether a certain pH meter is working correctly. She uses the meter to measure the pH in 14 neutral substances (pH = 7.0) and obtains the data shown in the following table. 7.01 7.04 6.97 7.00 6.99 6.97 7.04 7.04 7.01 7.00 6.99 7.04 7.07 6.97 Is there sufficient evidence that the meter is not correctly measuring the pH?
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The ph of an unknown solution is 8.03. Calculate the hydroxide ion concentration. [OH^-] Express your answer in scientific notation as three significant digits.
Initial pH: 10.18 Kb: 5.13x10^-5
Answer the 2 questions below: Determine both the H and the pH in a 0.0088 M solution of HCIO, at 25 °C? (H*)= Type your answer here M pH = Type your answer here Determine both the OH and the pOH in a 0.0032 M solution of Ba(OH)2at 25 °C? OH]= Type your answer here M pOH = Type your answer here Unanswered 梦 $ a hp prt sc delete backspace

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An acid (HA) dissociates as follows: HA → H* + A minus Arrow should be interpreted as an equilibrium arrow. The pH of the 0.62 M solution of HA is 1.89. What is [HA]? Express your answer as a decimal, not an exponent. Please include a proper (abbreviated) unit. Your Answer: Answer units