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Laabri

Unit 10 Acids & Bases Formative

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1.

According to the Lewis Theory of acids and bases, bases are:

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2.

According to the Bronsted-Lowry Threory of acids and bases, bases are:

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3.

Which of the following is NOT a property of acids?

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4.

A salt will form from the combination of the ______ ion of an acid and the _____ ion of a base

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5.

Categorize the following as an acid salt, basic salt, or neutral salt.

  • lithium sulfate

  • barium acetate

  • strontium chloride

  • beryllium nitrate

  • Acidic Salt

  • Neutral Salt

  • Basic Salt

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6.

Categorize each reactant as either a Bronsted acid or Bronsted base given the following equation:

H2SeO4 + H2O ----> H3O+ + HSeO4-

  • H2SeO4

  • H2O

  • Bronsted Acid

  • Bronsted Base

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7.

Categorize each reactant as either a Bronsted acid or Bronsted base given the following equation:

HSO4- + H2O ---> OH- + H2SO4

  • HSO4-

  • H2O

  • Bronsted Acid

  • Bronsted Base

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8.

Write the conjugate acid for the following species:

HAsO42-

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9.

Write the conjugate base for the following species:

HAsO42-

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10.

Write the conjugate acid for the following species:

HSO3-

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11.

Write the conjugate base for the following species:

HSO3-

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12.

Write the conjugate acid for the following species:

NH4+

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13.

Write the conjugate base for the following species:

NH4+

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14.

Match the chemical to its use or where it is found

Draggable itemarrow_right_altCorresponding Item

phosporhoric acid

arrow_right_alt

found in the stomach

ascorbic acid

arrow_right_alt

used as a laxative

magnesium hydroxide

arrow_right_alt

commonly called vinegar

acetic acid

arrow_right_alt

used to remove hair from cowhide before tanning

carbonic acid

arrow_right_alt

known as vitamin-C

hydrochloric acid

arrow_right_alt

found in milk and sore muscles

acetylsalicylic acid

arrow_right_alt

found specifically in oranges, lemons, grapefruits, and lime

nitric acid

arrow_right_alt

known as "lye," a drain cleaner

calcium hydroxide

arrow_right_alt

found in car batteries

lactic acid

arrow_right_alt

known as "lime," has a basic pH

citric acid

arrow_right_alt

used as a fertilizer, a household cleaner, has a basic pH

calcium oxide

arrow_right_alt

found in all carbonated beverages

sodium hydroxide

arrow_right_alt

known as aspirin

ammonia

arrow_right_alt

found in dark-colored carbonated beverages only

sulfuric acid

arrow_right_alt

used to make bombs and munitions, an acid

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15.

Determine the pH value for each of the following solutions:

2.0x10-3 M sodium hydroxide

Don't forget the NEW SIG FIG RULE!!

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16.

Determine the pH value for each of the following solutions:

7.5x10-6 M nitric acid

Don't forget the NEW SIG FIG RULE!!

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17.

Determine the pH value for each of the following solutions:

2.10x10-5 M magnesium hydroxide

Don't forget the NEW SIG FIG RULE!!

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18.

Determine the pH value for each of the following solutions:

2.73x10-7 M calcium hydroxide

Don't forget the NEW SIG FIG RULE!!

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19.

Ammonia is classified as a base.

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20.

Acids are "corrosive."

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21.

Acids react with active metals.

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22.

pH paper is the indicator that is used to indicate the neutralization point during a titration experiment.

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23.

DNA will turn blue litmus red.

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24.

The products of neutralization are always a type of salt and water.

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25.

Acids taste bitter.

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26.

Acids have an excess of hydroxide ions.

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27.

Litmus will turn from red to blue in a base.

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28.

Acids are slippery.

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29.

A 62.7 mL sample of 2.40 M lithium hydroxide solution neutralizes 32.5 mL of stomach acid. What is the molarity of the acid?

Write and balance a chemical equation first!!

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30.

During titration it is determined that 57.5 mL of 2.30M car battery acid solution will be needed to neutralize 75.8 mL barium hydroxide solution. What is the concentration of the base?

Write and balance a chemical equation first!!