25. What is the value of K₁ for the formate anion, HCOO-? Ka (HCOOH) = 2.1 × 10-4A. -2.1 x 104B.2.1 x 104C.6.9 × 10-6D.4.8 × 10-11E.2.1 x 10-18

Data given:Ka(HCOOH) = 2.1 * 10-4We have to find the Kb for formate anion HCOO-Concepts used to…

Answered: 25. What is the value of K₁ for the…

Chemistry

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Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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7+8
T-Mobile LTE Done QUESTION 4 10:25 PM 6 of 6 Which of the following statements is not correct? A. One reason why HBr is a stronger acid than HF is that Br is more electronegative than F. B. One reason why HBr is a stronger acid than HF is that the H-Br bond is weaker than the H-F bond. C. The acids HI and HCI are strong acids in water D. One reason why HBr is a stronger acid than HF is that Br has a larger atomic radius than F. E. F" is a stronger base than Br 4 QUESTION 5 Cnsider the following list of acids and their respective Ka values. H₂SO3. 1.3 x 10-2 HF, 6.7 x 10-4 HCIO, 1.1 x 10-8 A. H3BO3 > HCIO > HF B. H₂SO3 > H3BO3 > H₂CrO4 C. H2₂CrO4 > H₂SO3 > HCIO D. HF > HCIO2> H₂CrO4 E. HCIO > H₂SO3 > HF QUESTION 6 HCIO2, 1.0 x 10-2 H₂CrO4. 1.2 7% H3BO3, 5.9 x 10-10
Use the information in the pK table to rank the molecules in order of increasing basicity. For example, select "1" in the second column for the weakest base a and "2" for the next weakest base and so on. CI CH,NH NH3 HSO4 Molecules (Choose one) (Choose one) (Choose one) (Choose one) X Ś CH₁ 48 NH3 H₂ CH3NH₂ 33 H₂O CH₂OH 38 36 15.7 15.5 pKa CH3NH 10.6 CH₂ SH HCN + NH table H₂S CH,CO,H 10.4 9.4 9.2 7.00 4.76 HF + H₂O* HC1 3.17 CH₂OH H₂SO4 -3.0 -7 -9 HBr -1.7 -2.2 ? 00. 18 Ar
Enter an equation to show how HC204 can act as a base with HS acting as an acid. Express your answer as a chemical equation. Identify all of the phases in your answer. 0 xa ΑΣΦ Xh Pu Part B a b A chemical reaction does not occur for this question. Y Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining ΑΣΦ Enter an equation to show how HC₂04 can act as an acid with HS acting as a base. Express your answer as a chemical equation. Identify all of the phases in your answer. ? X A chemical reaction does not occur for this question.
help with 5&6
Given the following: [H3O+] = 5.112 x 10-13, please calculate the pOH.(Note please use 3 sig. figs for your answer.)
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Pd(PPH3)4 PhBr (CH;CH2);N `NO2 Determine the produc of the rxn Ph Ph Ph `NO2 `NO2 `NO2 b. c. а. Ph Ph Ph Ph NO2 `NO2 `NO2 `NO2 d. е.
13. Write the Ka expression for the following HF
Which of the following acids will most likely be the strongest? O Acid A: Ka = 6.43 × 10-/ O Acid B: Ka = 4.27 × 10-6 O Acid C: Ka = 3.85 × 10-5 Acid D: Ka = 2.37 x 10-4

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25. What is the value of K₁ for the formate anion, HCOO-? Ka (HCOOH) = 2.1 × 10-4 A. -2.1 x 104 B. 2.1 x 104 C. 6.9 × 10-6 D. 4.8 × 10-11 E. 2.1 x 10-18