8:43 1 l 5GE Question 10 of 25 Submit Construct the expression for Kb for the weak base, CsH;N. C5H,N(aq) + H20(1) = OH (aq) + C5H§NH* (aq) 1 Based on the definition of Kb, drag the tiles to construct the expression for the given base. Kp = 5 RESET [H;O] [H;O°] [ОН] [C;H;N] [C;H;NH*] [C;H&N¯] 2[H,O] 2[H;O*] 2[ОН] 2[CH;N] 2[CH;NH*] 2[C;H,N¯] [H,O]? [H;O*]? [OH]? [C;H;N]? [C;H;NH*]? [C;H,N-]?

- 10 The acid dissociation constant K, of boric acid (H,BO,) is 5.8 × 10 Calculate the pH of a 2.2M solution of boric acid. Round your answer to 1 decimal place. pH

Construct the expression for Ka for the weak acid, NH,. NH, (aq) + H,O(1)=H,0(aq) + NH,(aq) 1 Based on the definition of Ka, drag the tiles into the numerator or denominator to construct the expression for the given acid. Ko

Can someone help with questions 6-10 only please?

Determine the Kb for a base by constructing an ICE table and using this information to construct and solve the equilibrium constant expression. Complete Parts 1-2 before submitting your answer. 1 2 NEXT > The pH for a 0.0160 M solution of CH:CH.NH: is 8.600. Fill in the ICE table with the appropriate value for each involved species to determine the unknown concentrations of all reactants and products. CH:CsH&NH:(aq)+ H:O(1) OH-(aq) +CH:CeH&NH;*(aq) Initial (M) |Change (M) Equilibrium (M) 5 RESET 0.0160 8.60 -8.60 0.93 -0.93 2.50 x 109 -2.50 x 109 3.98 x 10 -3.98 х 10° 5.4 -5.4

Write the formula of the conjugate acid of the Brønsted-Lowry base, HCO₃⁻

Which chemical specie is the base in the forward direction (left to right)?

Construct the expression for Ka for the weak acid, HCsH-Oa. HC-H:O-(aq) + H:O(I) = H:O-(aq) + CsH:O-(aq) 1 Based on the definition of Ka, drag the tiles into the numerator or denominator to construct the expression for the given acid. Ka 5 RESET [OH] [HCH.O.] [H.CH-O.] [C-H-O.] 2[H:O] 2[H:O*] [H:O] [H.O*] [OH] [HC>H:O.]* 2[OH] 2[HCSH.O] 2[H.C»H-O.] 2[CH.O.] [CHO.P

Determine K of the weak base B whose conjugate acid HB* has K₂ 8.3 × 10-4. x 10 Determine the K₂ of the weak acid HA whose conjugate base has K₁ 2.7 × 10-8. x 10

(Incorrect) Given Ka of HCN = 4.9×10-10 K₂ of CN¯ = 2.0x10-5 Determine the value of K for CN (aq) + H₂O(l) ⇒ OH¯(aq) + HCN(aq) Insert your answer in E-notation to 2 significant figures. You answered: 0.98 The correct answer is: 2.0E-5