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the correct number of significant figures. Determine Kb of the weak base B whose conjugate acid HB+ has Ka 6.2 × 10−4.× 10Determine the Ka of the weak acid HA whose conjugate base has Kb 2.1 × 10−8. |
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Be sure to answer all parts. Be sure to report your answer to the correct number of significant figures. Calculate AG and Kp for the following processes at 25°C: (a) H2(g) + Br2(1) 211B10 0 AG- k.I/mol x 10 (Enter your answer in scientific notation.) (b) , H2(g) + , Br2() HBr(g) 0 AG k.J/mol Кр Enter your answer in scientific notation.) × 10
3 atempi 3 attempts left Check my work Be sure to answer all parts. Please report your answer to the correct number of significant figures. Determine the Ky of a weak base if a 0.613 M aqueous solution of the base at 25°C has a pH of 10.88. | x 10 (Enter your answer in scientific notation.)
Be sure to answer all parts of the question. Report your answer to the correct number of significant figures. The fictitious complex M(SCN), can be produced from an aqueous equilibrium in which the M2+ ion is mixed with thiocyanate ion. A solution containing initial concentrations of MP and SCN are 0.000100 M and 0.000100 M respectively has an equilibrium concentration of M(SCN), of 1.00 10 M. What are the equilibrium concentrations of the two starting ions and what is the...
Complete the table below. Be sure each of your answer entries has the correct number of significant digits. You may assume the temperature is 25 °C. conjugate acid conjugate base formula Kb ка formula x 5 ? H2CO3 4.5 x 10-7 HF 6.8 x 10-4 HCN 4.9 × 10-10
1a. A weak monoprotic base has a Kb = 1.67 × 10−10. Calculate the Ka for the conjugate acid of this base. Report your answer to THREE significant figures. You may (but are not required to) enter your answer in scientific notation; for example, if your answer is 2.44 × 10-2, you would enter 2.44E-2. The E must be uppercase. 1b. A weak monoprotic base has a Kb = 3.38 × 10−3. Calculate the Ka for the conjugate acid of...
part 1 A weak monoprotic base has a Kb = 2.43 × 10−10. Calculate the Ka for the conjugate acid of this base. Report your answer to THREE significant figures. You may (but are not required to) enter your answer in scientific notation; for example, if your answer is 2.44 × 10-2, you would enter 2.44E-2. The E must be uppercase. part 2 A weak monoprotic base has a Kb = 3.71 × 10−9. Calculate the Ka for the conjugate...
Calculate the Kb of the conjugate base of a weak acid with a Ka = 5.28 × 10−5. - report answer in three significant figures - answer should be written in scientific notation (ex. 4.67E-7 or 4.67E7 be sure to use a CAPITAL E not lower case 'e')
Be sure to answer all parts. What is the H30+ and the pH of a benzoic acid-benzoate buffer that consists of 0.17 M C6H3COOH and 0.35 M C6H3COONa? (K, of benzoic acid = 6.3 x 10-5) Be sure to report your answer to the correct number of significant figures. [H30+]= * 10 M pH =
Be sure to answer all parts. A 0.035 M solution of a weak acid (HA) has a pH of 4.39. What is the Ka of the acid?
Be sure to answer all parts. A 0.035 M solution of a weak acid (HA) has a pH of 4.39. What is the Ka of the acid?