a) Select any two items off the diagram above and list their pH level: pH Level pH Level Item #1 Item #2 How many times as acidic is Item #1 than Item #2? b) One particular solution has a pH of 3.6. Its hydrogen ion concentration is twice as high as another solutions hydrogen ion concentration. What could both solutions possibly be?
a) Select any two items off the diagram above and list their pH level: pH Level pH Level Item #1 Item #2 How many times as acidic is Item #1 than Item #2? b) One particular solution has a pH of 3.6. Its hydrogen ion concentration is twice as high as another solutions hydrogen ion concentration. What could both solutions possibly be?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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Transcribed Image Text:In chemistry, the pH scale measures the acidity of a solution. Solutions with pH less
than 7 are considered acidic, while solutions with pH greater than 7 are considered
alkaline. A pH of 7 is considered neutral. The formula of pH is pH = –logx, where
x represents the concentration of hydrogen ions in mol/L. Below is a diagram that
conveys the pH of a few common foods and chemicals:
ACIDIC
NEUTRAL
BASIC OR ALKALINE
1
2
3
4
6
7
8.
9
10
11
12
13
14
Battery Acid
Stomach Acid – 1.0
Lime Juice – 1.8-2.0
Vinegar – 2.0-3.4
Lemon Juice – 2.2-2.4
Соса-Cola — 2.5
Cider – 2.9-3.3
Strawberries - 3.0-3.5
Yeasts – 3.0-3.5
Jams/Jellies - 3.1-3.5
Apples – 3.3-4.0
Honey – 3.9
Tomatoes - 4.2-4.1
Sugar - 5.0-6.0
Beef - 5.1-6.2
Pork - 5.3-6.9
Onions – 5.3-5.8
Lettuce - 5.8-6.0
Rice – 6.0-6.7
Butter - 6.1-6.4
Egg Yolk - 6.4
Pure Water - 7.0
Milk – 6.3-8.5
Crackers – 7.0-8.5
Egg White - 7.0-9.0
Baking Soda – 9.0
Antacids
Ammonia
Calcium Hydroxide
Lye
Potassium Hydroxide
Transcribed Image Text:a) Select any two items off the diagram above and list their pH level:
pH Level
pH Level
Item #1
Item #2
How many times as acidic is Item #1 than Item #2?
b) One particular solution has a pH of 3.6. Its hydrogen ion concentration
is twice as high as another solutions hydrogen ion concentration. What
could both solutions possibly be?
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