QUESTION 20 A solution showed a pH of 2.7. The solution is O A. a strong acid OB. a weak acid O C. neutral O D. Weak base QUESTION 21 The molarity of a solution is defined as O A. grams of solute per liter of solution. O B. moles of solute per liter of solution. O C. moles of solute per kilogram of solution. O D. moles of solute per kilogram of solvent.

Calculate the pH of the following given the molar hydrogen ion concentration. A. Carrots, [H+]=9.4x10-6M Express your answer using to decimal places. pH= B. Peas, [H+]=4.2x10-7M Express your answer to two decimal places . pH=

Select all of the true statements regarding weak acids.Choose one or more: A.Weak acids are weak electrolytes. B.Weak acids fully dissociate into their respective cations and anions. C.Weak acids are strong electrolytes. D.Weak acids do not dissociate at all into their respective cation and anion pairs. E.Weak acids partially dissociate into their respective cations and anions.

1:24 Mia Sandoval - *Aci.. Acids and Bases & pH Scale ASSIGNMENT Part I: Acids vs. Bases 1. Full in the following table to correctly characterize acids and bases: Acids Bases Less than 7 pH Conducts electricity? What color does it turn litmus paper? How does it feel? How does it taste? What ions does it produce in solution? Varies 2. For the following, choose acid or base. A. tomato juice; pH = 5 В. рH >7 C. Turns blue litmus paper red D. Lemon juice E. Corrodes a nail F. Releases hydronium ions in solution G. pH of 7.6 Part II: pH and pH Scale 1. Create a pH scale indicating pH, acids, bases, and neutral substances. Give examples of each. 2. Describe the following substances as acids or bases and strong or weak based on their pH. Substance Acids or Base? Strong or Weak? pH 7.8 10.1 Sea water Detergent Lemon juice Stomach acid Ammonia Milk Drain cleaner 2.1 1.7 12.3 6.8 13.5 Battery acid Oven cleaner 1.0 13 Circle the stronger acid pH= 3 OR pH =5 pH= 1 OR pH =1.1 pH= 4 OR pH =6 Circle…