QUESTION 34 Which aqueous solution will freeze at the lowest temperature? a. 0.10m acetic acid (weak...
colligative properties: freezing point depression. Gen chem 2 HINKI Acetic acid is known as a weak acid (electrolyte) when it is dissolved in water. A solution was prepared by dissolving acetic acid in cyclohexane to yield a concentration of 1.0 molukg. The freezing point depression of the solution was determined to be 13.2 °C. What is the van't Hoff factor for acetic acid dissolved in cyclohexane? Is acetic acid an electrolyte when it is dissolved in cyclohexane? Explain. Kre20 °C/m...
When solutions of acetic acid and sodium hydroxide react, which of the following are NOT present in the complete ionic equation? hydrogen ion hydroxide ion O water sodium ion O acetate ion When solutions of acetic acid and sodium hydroxide react, which of the following are NOT present in the complete ionic equation? hydrogen ion hydroxide ion water O sodium ion acetate non aer 20191121-WA0036.jpg Question 9 If the pH of a salt solution is 5.3, the salt must be...
QUESTION 3 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 acetic acid solution, what is the molarity o of the acetic acid solution?
QUESTION 1 Calculate the molarity of each of the following: a. 0.500 mole of glucose in 0.200 L of a glucose solution b. 73.0 g of HCl in 2.00 L of a HCl solutionQUESTION 2 Indicate whether aqueous solutions of each of the following solutes contain only ions, only molecules, or mostly molecules with a few ions. a NH4CI, a strong electrolyte b. ethanol, C2H5OH, a non electrolyte c. HCN, hydrocyanic acid, a weak electrolyte QUESTION 3 Describe the formation of an aquesous Kl solution when solid Kl dissolves...
help solve all these questions 1. Calculate the pH of a 0.10 M nitric acid solution. How does your calculation compare to your experimental pH? 2. Calculate the pOH, pH, and [H'] of a 0.10M KOH solution. How does the pH compare with your data? 3. Use your date to calculate the [H*], pOH, and [OH] of the 0.10 M acetic acid solution. 4. Use your data to calculate the pOH, pH, and [H'] of the 0.10M ammonia solution. Unknown...
Question 5 3 pts Which one of the following best describes an aqueous solution of HCIO,? O salt weak base O strong acid weak acid O strong base
D Question 6 3 pts Which one of the following best describes an aqueous solution of HBrO? strong acid O salt weak acid weak base O strong base
E 6.8 Question 2 An aqueous solution of hydrocyanic acid, HCN, a weak electrolyte, contains A mostly molecules and a few ions B only molecules only ions nothing Question 3 What is the [H3O+] in a solution with [OH-] = 1 x 10-12 M? (A) 1. 10-12 B 1 x 10²m 1 * 10-7M. 1 x 102 M E 1* 10-8 M
QUESTION 7 HZ is a weak acid. An aqueous solution of HZ is prepared by dissolving 0.020 mol of HZ in sufficient water to yield 1.0 L of solution. The pH of the solution was 4.93 at 25.0 °C. The Ka of HZ is _ 1.2 x 10-5 6.9 x 10-9 1.4 x 10-10 9.9 x 10-2 2.8 x 10-12
13) A 0.0035 M aqueous solution of a particular compound has pOH 11.54. The compound is a) a weak base b) a weak acid c) a strong base a strong acid e) a salt 14) In basic solution, a) [H30'> [OH] b) [H30 ]- [OH1 [Hs0)< [OH] d) (OH]<7.00 e) [OH] =OM 15) The pH of a 0.63 M aqueous solution of hypobromous acid, HBro, at 25°C is 4.17. What is the value of K for HBro? a2.0 x 10...