The following reaction (Keq = 1.8 × 10−5) starts with 0.100 M HC2H3O2, with all other aqueous species zero molar. What is the final concentration of H3O+? HC2H3O2(aq) + H2O(l) — H30+(aq) + C2H3O2(aq) H¸O±(aq)
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- What is the net ionic reaction of HNO3 (a strong acid) with KOH (a strong base)? H2O (0)→ H+ (aq) + OH (aq) H+ (aq) + OH- (aq) → H₂O (1) HNO3(aq) + KOH (aq) → KNO3 (aq) + H₂O (1) K+ (aq) NO3(aq) →>> KNO3(aq)NaCLO(s) dissociates when it dissolves in water: NaClO(s) + H2O(l) →Na+(aq) + ClO−(aq) and in water ClO− acts as a base with a conjugate acid of HClO(aq) ClO- (aq) + H2O(l) = HClO(aq) + OH- How much NaClO must be added to 2.00L of water to make make a solution with a pH=11.0? Kb=[HClO][OH−]/[ClO−] =3.3x 10−7A weak acid has a Ka of 7.6 x 106. What is the value of pk for the acid? a pKa =
- The solvation of calcium carbonate in water is shown. CaCO3 (s) + H₂0¹ (aq) = Ca²+ (aq) + HCO3 (aq) + H₂O(1) Keq = 71 Use this information to compare the grams per liter solubility of CaCO3 in pure water, a H₂O+ (aq) solution with a pH of 3.00, and a H3O+ (aq) solution with a pH of 1.00. The Ksp for CaCO3 is 3.36 × 10-⁹ solubility in pure water: 5.805 X10-3 solubility in a solution with a pH of 3.00: solubility in a solution with a pH of 1.00: g/L g/L g/LH2SO4 (aq) + 2 NaOH (aq) Na2SO4 (aq) + 2 H2O (l) calculate the molarity of the H2SO4 solution if 14.92 mL of NaOH was necessary to reach the endpoint of a titration. The molarity of the NaOH solution was 0.63 M and 25.18 mL of H2SO4 was added to the Erlenmeyer flask.A buffer solution made from nitrous acid and sodium nitrite was titrated with sodium hydroxide. What is the net ionic equation for the reaction?
- A buffer solution made from nitrous acid and sodium nitrite was titrated with hydrochloric acid. What is the net ionic equation for the reaction?Brønsted-Lowry concept Brønsted-Lowry acids are substances that can donate a proton (H+) to another substance; Brønsted-Lowry bases are substances that can accept a proton (H+). A substance with transferable protons is an acid, such as HNO2 in this example: HNO2 (aq) + H20(1) = NO2 (aq) + H3O+ (aq) A substance that can receive a transferable proton is base, such as water in this example: HNO2 (aq) + H20(1) = NO, (aq) + H3O+ (aq) One benefit of the Brønsted-Lowry concept of acids and bases is that it is not limited to aqueous solutions and can be applied to gases, liquids, and solids. Part B Using the Brønsted-Lowry concept of acids and bases, identify the Brønsted-Lowry acid and base in each of the following reactions: H,PO3 (aq) + H20(1)→H,PO3 (aq) + OH (aq) CH,NH, (g) + BB13 (g)→CH,NH,BBr3 (s) Drag the appropriate items to their respective bins. • View Available Hint(s) Reset Help H,PO3 H20 CH,NH2 BB13 Brønsted-Lowry acid Brønsted-Lowry base Neither SubmitAn unkown solid acid is either citric acid or tartaric acid. To determine which acid you have, you titrate a sample of the solid with NaOH. The appropriate reactions are as follows: Citric acid: H3C6H5O7 (aq) + 3 NaOH (aq) --> 3 H2O (l) + Na3C6H5O7 (aq) Tartaric acid: H2C4H4O6 (aq) + 2 NaOH (aq) --> 2 H2O (l) + Na2C4H4O6 (aq) A 0.956 g sample requires 29.1 ml of 0.513 M NaOH for titration to the equivalence point. What is the unknown acid?
- You want to determine the acid concentration in a can of Sprite and decide to use titration. The chemical reaction that takes place in the titration procedure of a colorless pop or sports drink is represented by the following chemical reaction: H3C6H5O7 (aq) + 3 NaOH (aq) → Na3C6H5O7 (aq)+ 3 H2O (l) If you titrate 20.00 mL of Sprite with 5.85 mL of 0.125 M NaOH, what is the concentration (Molarity) of in this wine?true or false? The following reaction equation is a redox reaction: 2H2O (l) + 2Cl- (aq) ⟶ H2 (g) + Cl2 (g) + 2OH- (aq)What is the net ionic reaction for the titration of hydrobromic acid with sodium hydroxide? Group of answer choices OH−(aq) + HBr(aq) → Br−(aq) + H2O(l) OH−(aq) + H+(aq) → H2O(l) NaOH(aq) + HBr(aq) → NaBr(aq) + H2O(l) NaOH(aq) + H+(aq) → H2O(l) + Na+(aq)