In which pH calculation will a simplifying approximation NOT work? A. [HA]initial = 0.0100 mol L-1, K, = 7.2 x 10-9 B. [HA]initial = 10.0 mol L1, K, = 7.2 x 10-9 %3D C. [HA]initial = 0.0100 mol L-1, K, = 7.2 x 10-3 D. [HA]initial = 10.0 mol L-1, K, = 7.2 x 10-3
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- OU-CCJ230-Introd... k Water MasteringChemistr... a very small degree into H3O+, and hydroxide ions, OH: H3O+ (aq) + OH-(aq) 0+][OH-] 1.00 × 10-¹4 alue of the equilibrium constant, you an appreciation for how few actually ionize in pure water. solutions, = [OH-] olutions, [OH-]. Solutions, > [OH-]. Is solutions, the product of the mydroxide concentrations is equal to allows you to calculate [H3O+] vice versa. Playstation 5 Disc V... Part A [OH-] = Submit 9.00×10-3 mol of HBr are dissolved in water to make 18.0 L of solution. What is the concentration of hydroxide ions, [OH-], in this solution? Express your answer with the appropriate units. View Available Hint(s) Part B [H3O+] = Gmall Submit Provide Feedback μà Value μà Review | Constants | Periodic Table Value → 8.00 g of NaOH are dissolved in water to make 3.00 L of solution. What is the concentration of hydronium ions, [H3O+], in this solution? Express your answer with the appropriate units. View Available Hint(s) 9 of 31 Units Units…7-43. Supply the missing data in the table below. Molar Analytical Concentration, c- (ct = Cha + cx-) pH (A"] Acid (HA] Hypochlorous 0.280 7.00 Nitrous 0.105 0.413 0.587 0.145 0.221 Hydrogen cyanide Sulfamic 0.250 1.20← < TETNS B Q CAN …. https://app.101edu.co [H3O+] O 2[H3O+] Кс Question 8 of 11 Construct the expression for Kc for the following reaction. CH3COOH(aq) + H₂O(1) ⇒ CH³COO¯(aq) + H³O*(aq) [H3O+]² = Drag the tiles into the numerator or denominator to form the expression. Each reaction participant must be represented by one tile. Do not combine terms. X 2[H3O+]² [H₂O] Q Q [H₂O]² h |a|a|Q| + 2[H₂O] RESET 2[H₂O]²2 [CH3COO-] 2[CH3COO-] [CH3COO-]² 2[CH3COO-1² [CH3COOH] 2[CH3COOH] [CH3COOH]² 2[CH3COOH]² T x + ⠀ Submit
- 10-18. a. Calculate the quotient [H3P04]/[H,PO,] in 0.050 0 M KH,PO4. b. Find the same quotient for 0.050 0 M K,HPO4.Based on the following data for the fırst order reaction J products, calculate the rate constant k (in s1). Time [J] Os 1.0000 M 900 .5231 3000 .1153 O 2.9 x 104 O 1.4 x 103 O 5.3 x 10-4 О 1.0 х 10-3 O 7.2 x 10-414) Use 4-5 complete sentences to clearly explain how it is possible for a reaction to have a positive value of AG n but a negative value for AG. page 3 of 3 Scanned with CamScanner
- 1. Write the reaction for H₂S dissolving into water + 2. Write the expression for the Ka [ Ka [ a. acetic b. hydrochloric g. sulfurous -2 n. HPO3-² u. H2O aa. 2.6990 gg. 5.000 x 10-12 mm. conjugate acid = h. hydrosulfuric 0. H₂PO3-1 v. 0.1000 ][ [] c. phosphoric P. CO3-2 W. 0.02500 bb. 1.000 x 10-11 hh. 11.3010 oo. base d. perchloric i. OH-1 j. H30+1 q. HCO3-1 r. H₂S x. 1.000 x 10-3 -2 k. SO4² cc. 11.0000 ii. 0.01250 pp. conjugate base dd. 2 jj. 0.22100 y. 3.0000 e. hydrofluoric I. Mg+2 s. HS-1 + ee. 1 f. sulfuric m. Cl-1 t. S-2 Z. 1x 10-14 ff. 2.000 x 10-3 kk. 0.05656 II. acid1. H+ , 올 .CI 2. acidic work-up JWhy do we use the maximum of the first derivative curve or the zero crossing of the second derivative curve to locate the end points in the Figure 10-4?
- Ochem question plz help. Thank youSelect the arrows that best represent this proton transfer reaction. H …H N H H H N H yw ngl ‚H N H N H H 'N H N H `N (+) H H H H (+) :0 :0O KINETICS AND EQUILIBRIUM Calculating the solubility of an ionic... Calculate the solubility at 25 °c of CaF₂ in pure water and in a 0.0200M NaF solution. You'll find ê data in the ALEKS Data tab. sp Round both of your answers to 2 significant digits. solubility in pure water: ㅁ은 solubility in 0.0200 M NaF solution: 0 60- 0 x10 X 0x0 1/3 00