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Plz answer 1. Calculate the concentration of H30" in a solution that contains 5.0 Identify the...
1. Calculate the concentration of H3O+ for an aqueous solution with a pH of 1.2 A) 6.3 x 10-7M B ) 1.6 x 108 M. C) 1.0 x 10-14 M. D) 6.20 x 10-2 M E) 4.0 x 10-4M 2. Calculate the concentration of OH- for an aqueous solution with a pH of 13.8. A) 0.64 M B) 4.0 x 10-5M C) 1.5 x 10-5M D) 1.0 x 10-14 M E) 2.5 x 10-10 M 3. Which of the following...
7. Choose the best answer for an aqueous solution labeled "0.10 M sodium hydroxide," A) the pH is greater than 7 B) the pH is less than 7 C) the pH = 1 D) the pH = 7 E) the pH = 13 8. Which one of the following salts gives an acidic aqueous solution? A) LINO3 B) CsBr C) Col2 D) Mg(SO3)2 E) NaF 9. Which one of the following salts gives a basic aqueous solution? A) Fe(NO3)3 B)...
NAME: 1 Fill in the blanks with the appropriate value. Please express concentration values to 3 significant figures. Dont forget the appropriate units (M) for [H3O+] and [OH-], where necessary. In addition, express pH and pOH values to two decimal places. a) [H3O+] = 1.00 x 10-'M [OH-]= pH = POH= b) [H3O+]= [OH-]= pH=2.00 POH= c) [H3O+]= [OH-] = 8.57 x 10-3 M pH = pOH = d) [H3O+]= [OH-]= pH= POH= 10.47 2 Label the above solutions as...
11. which of the following pairs of species is a conjugate acid-base pair? a. NaF, F b. NHs, NH c. H30+, ОН- d. H2CO3, CO32 8. which of the following salts is most likely to form an aqueous solution having the pH <7? a. NaBr b. LiNO3 c. NH4CI d. RbCN 2. which of the following pairs of species is not a conjugate acid-base pair? a. OH, H b. HOCI, OCh c. HSO4,SO42 d. H2CO3, HCO3 11. which of the...
Which of the following statements describes a basic solution? 1. [H30+]> [OH] 2. [H30]<[OH] 3. [H30'] x [OH] #1 x 10-14 4. [H3O+]/[OH] = 1 x 10-14 5. [H3O+]/[OH]=1 If the pH of a solution is 10, what is the hydronium, H ion concentration? 1. A) 1 x 10-10 M 2. B) 1 x 1010 M 3. C) 10 M 4. D) 10 M 5.E) * 1 1010 M As the pH increases the hydroxide ion concentration 1. A) goes...
Calculate the concentration of H3O⁺ in a solution that contains 5.5 × 10^-5 M OH⁻ at 25°C. Identify the solution as acidic, basic, or neutral. Answer choice are a- 1.8 × 10^-10 M, acidic b- 1.8 × 10^-10 M, basic c- 9.2 × 10^-1 M, basic d- 9.2 × 10^-1 M, acidic e- 5.5 × 10^-10 M, neutral
1. In the following reaction at equilibrium, what will happen if more CO(g) is added? COCI:(9) CO(g) + Cl (9) A) reaction will shift to the right B) reaction will shift to the left C) nothing will happen D) the equilibrium constant will change E) not enough information given to predict 2. The following reaction is exothermic (with A and B reactants) and at equilibrium. What will happen if heat is added? A+B 2 C + D A) more C...
1- Calculating [H+] for Pure Water: In a certain acidic solution at 25 ∘C, [H+] is 100 times greater than [OH −]. What is the value for [OH −] for the solution? In a certain acidic solution at 25 , [] is 100 times greater than [ ]. What is the value for [ ] for the solution? 1.0×10−8 M 1.0×10−7 M 1.0×10−6 M 1.0×10−2 M 1.0×10−9 M 2. ± Acid-Base Relationships in Water: Water ionizes by the equation H2O(l)⇌H+(aq)+OH−(aq)The...
1 of 1 Name Date CHM 1032 Acid/Base Focus Concepts Period Directions: read each section and answer the questions accordingly. Show all mathematical work. (1) Which species is the conjugate base of H2SO3? a. H,SO b. HSO3 C. SO (2) Write a molecular equation for the neutralization reaction between aqueous HCl and aqueous Ca(OH)2? (3) The titration of 20.0-ml of a sulfuric acid solution of unknown concentration requires 22.87-mL of a 0.158M KOH solution to reach the equivalence point. What...
Calculate [H3O+] given [OH−] in each aqueous solution. Part A [OH−] = 6.6×10−11 M Part B Classify this solution as acidic or basic. Part C [OH−] = 4.5×10−9 M Part D Classify this solution as acidic or basic. Part E [OH−] = 6.6×10−4 M Part F Classify this solution as acidic or basic. Part G [OH−] = 2.5×10−2 M Part H Classify this solution as acidic or basic.