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QUESTION 3 A solution of acetic acid, HC2H302, a weak monoprotic acid, was standardized by titration...
Pure toluene freezes at 41.9°C and has a freezing point depression constant of 5.1°C/m. The freezing point of a solution containing 2.41 g of an unknown non-ionizing compound in 55.46 g of toluene is 38.1°C. What is the molar mass of the unknown compound? QUESTION 2 A solution of acetic acid, HC2H302, a weak monoprotic acid, was standardized by titration with 0.1660 M NaOH solution. If 20.59 mL of the NaOH were required to neutralize completely 18.23 mL of the...
1. The equivalence point of a weak, monoprotic acid with a volume of 22.00 mL was reached after adding 22.10 mL of 0.1025 M NaOH(aq) and the pH at this volume was 8.91. The pH was 3.37 when the volume of NaOH(aq) added was 11.05 mL. What is the value of Ka for this unknown acid? 0.1025 0.1030 3.37 8.91 1.23 x 10-9 4.27 x 10-4 2. A solution of acetic acid, HC2H3O2, a weak monoprotic acid, was standardized by...
A solution of malonic acid was standardized by titration with 0.1000 M NaOH solution. If 20.76mL of the NaOH solution were required to neutralize completely 12.95 mL of malonic acid soulution, what is the molarity of the malonic acid solution?
A solution of malonic acid, H2C3H2O4, was standardized by titration with 0.0810 M NaOH solution. If 20.28 mL mL of the NaOH solution is required to neutralize completely 11.08 mL of the malonic acid solution, what is the molarity of the malonic acid solution? H2C3H2O4+2NaOH→Na2C3H2O4+2H2O (------) M
please explain answers A solution of malonic acid, H,C,H,O, was standardized by titration with 0.100 M NaOH solution. If 20.76 mL of the NaOH solution were required to neutralize completely 13.15 mL of the malonic acid solution, what is the molarity of the malonic acid solution? 3. H,C,H,O, 2NaOHNa,CH,O, + 2H,O
A titration of a 75.0 mL aqueous solution of 0.12 M acetic acid, a weak, monoprotic acid with a Ka of 1.76 × 10–5, with 0.30 M NaOH is performed. What is the pH of the solution after 10.0 mL of NaOH has been added (at 25oC)? Group of answer choices 5.24 3.98 8.21 6.17 4.45
4. A solution of malonic acid, H,CH,04, was standardized by titration with 0.1000 M NaOH solution. If 20.76 mL of the NaOH solution is required to neutralize completely 12.95 mL of the malonic acid solu- tion, what is the molarity of the malonic acid solution? H,CH,O4 +2NaOH- Na C3H,04 +2H,0
An aqueous solution of hydrochloric acid is standardized by titration with a 0.113 M solution of calcium hydroxide. If 11.3 mL of base are required to neutralize 10.0 mL of the acid, what is the molarity of the hydrochloric acid solution? M hydrochloric acid An aqueous solution of calcium hydroxide is standardized by titration with a 0.101 M solution of hydrochloric acid. If 19.7 mL of base are required to neutralize 22.1 mL of the acid, what is the molarity...
A student titrated 15.0 mL of acetic acid acid, HC2H302 ( Molar mass= 60 g/mol) solution with 25.0 mL of a 0.100 M NaOH solution The Molarity(mol/L) of HC2H302 required for complete titration is? HC2H302 + NaOH - NaC2H302 + H20 A) 0.0250 M B) 0.250 M C) 2.5M D) 0.0167M E) 0.167 mol
4. Vinegar is a solution of acetic acid. Acetic acid has a 1:1 ratio when reacted with NaOH. a. Suppose that the molarity of acetic acid in vinegar is 0.5 M, how many grams of acetic acid are present in the 5 ml of vinegar solution used in the titration? (molar mass of acetic acid = 60 g/mol). b. If vinegar has a density of 1.01 g/mol. Calculate the % of acetic acid in vinegar by mass. 5. 50 ml...