What's More Activity 3.2 Identify and underline the amphoteric substances in this chart. Conjugate, Palrs ACID HCI - H* + Cr HNO, - H* + NO, H,SO, - H* + HSO, HSO, - H* H3PO, - H* + H;PO, BASE + So, Fe(H,O) - H* + Fe(H;O),(OH)²* HNO, - H* + NO, HF - H" Cr(H,O)" CH,COOH -- H° + CH,COO Al(H,O). H,0 + CO, - H* + CrCH;0,(OH)²* - H* + AKH,0),(OH)²+ - H + HCO, HSO, - H* + so, H2S - H* + HS H,PO, - H* + HPO, -H* + NH, NH. HCO, HPO HS - H* + s H30 - H* + OH" OH - H* + CO, - H* + PO. -H* + O- NH, - H + NH; 12

Imagine a pH meter reads 10.89 from a beaker filled with 50.0 of sodium hydroxide solution. How many individual hydroxide ions are in that beaker? (this is a multi-level problem!!!)

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Pipettes are used:   Question 2 options:   To deliver specific amounts of a liquid   In order to test concentration   Specifically for salts   Specifically for acids

Case Study Section 1 – pH Based on “The Case of the Mortified Mom: Acids, pH and Buffers” by Terry Platt (National Center for Case Study Teaching in Science)   The Patient: Paramedics were called to the home of the Mathews family because their 3-year old daughter, Molly, had gotten into the medicine cabinet and consumed a large number of aspirin tablets.  When the paramedics arrived Molly had vomited several times, with bits of undissolved tablets visible, but seemed sleepy, almost lethargic.  She was rushed to the nearest Emergency Room.  When she reached the hospital she was unarousable and was breathing rapidly and deeply.  She was examined and lab samples were obtained.     Above is the structure of aspirin, or acetylsalicylic acid, which is a weak acid with a pKa of 3.5.  The active, and toxic at high doses, form is the protonated form.  Question 9: What would be the consequence(s) of lower than normal blood pH? Cause proteins to denature Decrease in enzyme activities Limit…

Case Study Section 1 – pH Based on “The Case of the Mortified Mom: Acids, pH and Buffers” by Terry Platt (National Center for Case Study Teaching in Science)   The Patient: Paramedics were called to the home of the Mathews family because their 3-year old daughter, Molly, had gotten into the medicine cabinet and consumed a large number of aspirin tablets.  When the paramedics arrived Molly had vomited several times, with bits of undissolved tablets visible, but seemed sleepy, almost lethargic.  She was rushed to the nearest Emergency Room.  When she reached the hospital she was unarousable and was breathing rapidly and deeply.  She was examined and lab samples were obtained.     Above is the structure of aspirin, or acetylsalicylic acid, which is a weak acid with a pKa of 3.5.  The active, and toxic at high doses, form is the protonated form.    What percent of ingested and absorbed aspirin is in the active form in the blood (average pH of 7.4) under normal conditions? 0.00013% 0.13%…

Select all chemical species present in the solution. i Multiple answers: Multiple answers are accepted for this question Select one or more answers and submit. For keyboard navigation... SHOW MORE ✓ a b C d NH4Cl(s) H₂O(l) 4+ (aq) NH4+ Cl(aq)

ii. 2. Complete the equation for the reaction of each of the following with water. Then: i. Indicate whether the ion or molecule is an acid or base; and, ii. Indicate whether each reaction is explained by Arrhenius, Brønsted-Lowry, or both. a) Hl(aq) + H2O(1) = i. ii. c) C2H3O2 (aq) + H₂O(1) = i.

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