PATIENT NAME Lab Report 5 pH Analysis: Quad Color Indicator Name 1. Acids are substances that…

PATIENT NAME Lab Report 5 pH Analysis: Quad Color Indicator Name 1. Acids are substances that…
PATIENT NAME Lab Report 5 pH Analysis: Quad Color Indicator Name 1. Acids are substances that produce hydrogen ions (H”) when dissolved in water. Lemon juice is an example of an acidic solution What does lemon juice taste like? What effect does lemon juice have on some metals? 2. Bases are substances that produce hydroxide ions (OH) when dissolved in water. Hand soap is an example of a basic solution What does soap feel like? What does soap taste like? 3. The strength of an acid or base is measured on the pH scale. The term “pH is short for “potential of hydrogen”. It is a measure of how many excess H+ ions there are in a solution. The pH scale runs from 0 to 14, with representing the highest concentration of hydrogen ions. Complete the following table. Type of Solution pH 7, or pH = 7 OH H, or OH OH Acidic Basic Neutral 4. In a neutralization reaction, what are the products of a reaction between an acid and a base? Select an answer. Another acid and base _Carbon dioxide and a salt Water and a salt Either two acids or two bases 5.
  Test: Use the Gizmo to find the pH of each of the available solutions 0-14 pH indicator paper pH value Acidic, alkaline, or neutral? Material in the tube Baking soda Bleach Coffee Cola Hand soap Juice (lemon) Juice (orange) Juice (tomato) Milk Milk of magnesia Saliva (human) Shampoo Stomach acid Vinegar Water (distilled) Water (ocean) 6. Suppose you have already compared the pH values of two substances using 0-14 paper. When would a follow-up test using 4.5-7.5 paper be most helpful? When both substances had a pH value of about 3 on the 0-14 paper. When both substances had a pH value of about 6 on the 0-14 paper. When both substances had a pH value of about 9 on the 0-14 paper.   Mar 29 2022 03:09 PM

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