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\nStrength of Acids and Bases\n

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\nLearn about how the strength of acids and bases are determined in this video! transcript ____________________ not all acids and bases are the same. Some are stronger some are weaker. We can figure out the strength of an acid using this...\nLearn about how the strength of acids and bases are determined in this video! transcript ____________________ not all acids and bases are the same. Some are stronger some are weaker. We can figure out the strength of an acid using this acid dissociation constant. An acid dissociation constant (Ka) is the ratio of the concentration of the dissociated (or ionized) form of an acid to the concentration of the undissociated (nonionized) form. the same basic formula is used to find the strength of the base with the ratio of the concentration of the dissociated or ionized form of the base to the concentration of the undissociated base. So how does this constant tell us if it’s a strong or weak acid or base? strong acids and bases dissociate completely, weak acids and bases dissociate partially, so strong acids have a have a higher Ka value, and weak acids have a smaller Ka value. the same is true of bases. acetic acid is weak but hydrochloric acid is strong, ammonia is a weak base, but sodium hydroxide is strong. remember, strength of an acid or base is based on how much the ions dissociate, but concentration tells you how many ions are in solution. it is possible to have highly concentrated weak base, which could actually do a lot of damage to your tissues, and it’s possible to have a dilute strong base, which is much less harmful to your tissues because it’s so diluted.\n
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Grade
9th - 11th
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All Subjects
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Instructional Videos
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Source:
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Date
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2015
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For Teacher Use
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