CHEM 101 Midterm: CHEM 101 EXAM 3 CHAPTER 10
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Classify these definitions as that of an Arrhenius acid, an Arrhenius base, or other.
Arrhenius Acid Definition | Arrhenius Basic Definition | Other |
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A substance that can donate a hydrogen ion to another substance. | A substance that produces an excess of hydroxide ions (OH-) in aqueous solution. | A substance that produces an excess of hydrogen ions (H+) in aqueous solution. | A substance that can accept a hydrogen ion from another substance. |
QUESTION 1
Which of the following substances is most acidic?
Cowâs milk - pH 6.6 | ||
Apple juice - pH 3.0 | ||
Tomato juice - pH 4.5 | ||
Distilled water - pH 7.0 |
2 points
QUESTION 2
A buffer is a substance that converts:
Alkaline solutions to neutral solutions. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Acidic solutions to alkaline solutions. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Strong bases or acids to weak bases or acids. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Acidic solutions to neutral solutions. QUESTION 3 How does a solution of pH 7 compare to a solution of pH 10?
2 points QUESTION 4 According to the Arrhenius Theory of acids and bases, a base is:
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