
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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7. What is [H3O+] of a softdrink that has a pH of 3.400?
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- I need the answer as soon as possiblearrow_forwardH. | || The percent ionization of chloroacetic acid is less than that of fluoroacetic acid. :*-C-C-ö-H The percent ionizations cannot be compared without knowing the concentrations of the two acids. The structure of haloacetic acids, XCH,COOH (where X is The percent ionizations cannot be compared without knowing the pH of the solution. either F, Cl, Br, or 1), is shown above. The dissociation constants and molar masses of four haloacetic acids are listed in the table below. The percent ionization of chloroacetic acid is greater than that of fluoroacetic acid. Acid pK. K. Molar Mass(g/mol) CLEAR ALL Fluoroacetic acid 2.59 2.57 x 10–3 78.0 Chloroacetic acid 2.87 1.35 x 10–3 94.5 Bromoacetic acid 2.90 1.26 x 10-3 138.9 lodoacetic acid 3.18 6.61 × 10-4 185.9 An aqueous solution contains small but equal concentrations of both chloroacetic and fluoroacetic acids. Which statement comparing the percent ionizations of the two acids in the solution is true? エーO-arrow_forwardIf a solution of HF (Ka = 6.8 x 10-4) has a pH of 3.65, calculatethe concentration of hydrofluoric acid.arrow_forward
- Question 1 of 11 Complete the balanced chemical reaction for the following weak base with a strong acid. In this case, write the resulting acid and base as its own species in the reaction. NH:(aq) + HCI(aд). |4- n2+ 3+ | 4+ 1 2 3 4 7 8 9. O2 03 04 O5 O6 07 (s) (g) (aq) H20 H3O* OH CI Reset • æ H20 Delete 3.arrow_forward4. Sodium hypochlorite (NaCIO) is often found in household bleach. What is the pH of a 0.740 M solution of sodium hypochlorite? Ka of HCIO 3.5 x 10arrow_forwardAmmonia is a weak base that is a household cleaner and has a Kb =1.8 x 10-5. What is the pH of a 3.0 M solution of ammonia (NH3)?arrow_forward
- 2,What is the pH of the solution with hydronium ion concentration of 6.3 x 10-12 M? Group of answer choices 10.80 12.60 11.20 11.80 10.20 3,Calculate the pH of 0.50 L of the solution containing 5.61.0g KOH dissolved at 25oC. Group of answer choices 13.30 13.00 0.33 13.70 1.33 4. Calculate the [H3O+]of the solution with pH=9.2. Group of answer choices 2.0 x 10-10 3.6 x 10-9 6.3 x 10-10 9.2 x 10-9 2.0 x 10-9arrow_forwardWhat is the pH of a o.725 M carbonic acid (H,CO,) solution given Ka1 = 4.4 × 10- and Ka2 = 4.7 × 10-11? pH = %3Darrow_forwardCalculate the ratio [CH3COOH] /[NaCH3CO0] that gives a solution with pH = 5.00 (Ka CH3COOH = 1.8 x 10-5). O 0.28 O 0.36 O 0.44 O 0.56 O 0.63arrow_forward
- Pls help ASAP on all pls i beg.arrow_forwardWhat is the pH of a solution of 0.300 M HNO containing 0.110 M NaNO? (Ka of HNO is 4.5 \times 10)arrow_forwardSalt Solution 0.100 M NaHSO4 0.100 M Na₂CO3 0.100 M NH3 0.100 M NaCl Measured pH 1.40 11.41 11.31 2.83 For each solution having a pH less than 6 or greater than 8, write a balanced net ionic reaction that shows why the concentration of H₂O* (if the solution is acidic) or OH¯ (if the solution is basic) is greater in this solution than it would be in pure water alone. (Remember that net ionic reactions omit spectator ions.)arrow_forward
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