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Aleks 360 2 Semester Access Card For Chemistry
- What is the pOH of a solution of 0.125 M CH3NH2 and 0.130 M CH3NH3Cl? How would you find a Ka value? Calculate [OH-], [H+], and pH for practicearrow_forwardConsider the following beakers. Each contains a solution of the hypothetical atom X. a Arrange the beakers in order of increasing concentration of X. b Without adding or removing X, what specific things could you do to make the concentrations of X equal in each beaker? (Hint: Think about dilutions.)arrow_forwardNaOH is a strong base at 0.0126M concentration. (Show Computation & Highlight Answer) a. What is its [OH-]? b. What is its [H+]? c. What is the pH of the 0.0126M NaOH solution?arrow_forward
- [Topic: Parts Per Million] Sodium hydrogen sulfate, NaHSO₄ , which is dissolved in water to release H⁺ ion, is used to adjust the pH of the water in swimming pools. Suppose we add 550 g of NaHSO₄ , to a swimming pool that contains 4.5 x 10⁵ L of water at 25°C. What is the Na⁺ ion concentration in ppm?arrow_forwardChemistry Which of the following species is not amphiprotic? (circle all that apply) H2O, HSO4-, Ca(OH)2, C2H3O2H, H2S, CH3NH2 Please explain this question.arrow_forwardBaseline Question: Calculate the pH of a 5.6x10-9M HCl aqueous solution. ANS: pH=6.99 Commentary: Since I know HCl is a strong acid and ionization is 100%, I thought I could find pH as -log(5.6x10-9), however my teacher said that was incorrect . She did a Kw=[OH-][H3O+] to find x. Use image below to see my work. The answer to the question is pH= 6.99. Actual Question:I want to know why we had to do an ICE table and find "x" (another H3O concentration) instead of -log(5.6x10-9).arrow_forward
- 2.What is the concentration of a phosphoric acid solution of a 25.00 mL sample of the acid requires 42.24 mL of 0.135 M NaOH for neutralization? (Hint : Don’t you think you would need to balance the equation first ? ). (H3PO4 + NaOH Na3PO4 + H2O)arrow_forwardFind percent ionization for .1 M solution of NH3 with a pH is 11.03?arrow_forwardA solution of 0.80 M acetic acid acid has a pH of 2.50 (show work for calculations). Determine the [H3O+] concentration. Determine the [OH-] concentration. Deterimine the pH of the acetic acid if it is a strong acid. Based on the given pH and the one calculated if acetic acid is a strong acid, is acetic acid a weak acid or a strong acid? Explain. The formula of benzoic acid is CH3COOH, write out the Ka equation.arrow_forward
- Question: What is the pH of a 3.773.77×10−5×10-5 M solution of hydrochloric acid?arrow_forwardIf log K1 for Ag(NH3)2+ is 3.32 and log K2 is 3.91, what is Kf? Hint: Solve this equation first before solving for the overall equilibrium constant.arrow_forwardpractice pH a.) determine the pH of a nitric acid solution (HNO3) that has been prepared by mixing 2.0 mL of 1.0 M HNO3 with 98.0 mL of water b.) determine the pH of a 25 mL carbonic acid solution (H2CO3) with concentration of 5.7 x 10-5 M. assume all protons will dissociate from the acid and react with water to form hydronium ions. c.) determine the pH and pOH of a NaOH solution that has been prepared by diluting 20.0 mL of 6.0 M NaOH with 80.0 mL of water. d.) determine the pH and pOH of a Ca(OH)2 solution that has been prepared by mixing 0.26 g of Ca(OH)2 pellets in 750 mL of water.arrow_forward
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningIntroductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning