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Acid and Base Review Game Chemistry

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Page 1: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Acid and Base Review Game

Chemistry

Page 2: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Name the Acid

HNO2 Nitrous Acid

H2SO4 Sulfuric Acid

HCl Hydrochloric Acid

HBr Hydrobromic Acid

HClO Hypochlorous Acid

Page 3: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Name the Base

NaOH Sodium Hydroxide

Ca(OH)2 Calcium Hydroxide

Mg(OH)2 Magnesium Hydroxide

KOH Potassium Hydroxide

Page 4: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Write the Formula

Nitric Acid HNO3

Hydroiodidic Acid HI

Phosphoric Acid H3PO4

Acetic Acid HC2H3O2

Page 5: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Write the Formula

Sodium carbonate Na2CO3

Barium hydroxide Ba(OH)2

Lithium hydroxide LiOH

Page 6: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Arrhenius

What is the definition of an acid? A substance which produces H+ when put in water

What is the definition of a base? A substance which produces OH- when put in water

Page 7: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

If a soap has a hydrogen ion concentration of 2.0 x 10-6 M, what is the pH of the solution? The pOH? Is it an acid or a base? [H+] = 2 x 10-6M pH = -log(2 x 10-6) = 5.7 pOH = 14 – 5.7 = 8.3 Acid because pH < 7

Page 8: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

What is the hydrogen ion concentration and hydroxide ion concentration of a solution with a pH of 2.3? Is the substance an acid or base? [H+] = 10-2.3 = 0.005 M pOH = 14 – 2.3 = 11.7 [OH-] = 10-11.7 = 2 x 10-12 M Acid because pH < 7

Page 9: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

What is the hydrogen ion concentration of a sample of phosphoric acid that has a pH of 4.9? What is the concentration of phosphoric acid? [H+] = 10-4.9 = 1.3 x 10-5M Since there are 3 H’s in each H3PO4 … the concentration of phosphoric

acid would be a third of the concentration of H+

1.3 x 10-5/3 = 4.2 x 10-6 M

Page 10: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Neutralization Reaction

What is the neutralization reaction for nitrous acid reacting with potassium hydroxide? HNO2 + KOH KNO2 + H2O

Page 11: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Neutralization Reaction

Write the complete balanced equation for the neutralization of phosphoric acid with calcium hydroxide 2H3PO4 + 3Ca(OH)2 Ca3(PO4)2 + 6H2O

Page 12: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

How many grams of copper (II) sulfate pentahydrate will be needed to make 75 mL of a 0.250 M solution? CM = n/V .25 = n/0.075 n = 0.01875 mol x 249.5 = 4.7 g

Page 13: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

How many kilograms of sucrose C12H22O11 will be needed to make 3.50 L of a 1.15 M solution? CM = n/v 1.15 = n/3.5 n = 4.025 mol x 342 = 1376.55 g / 1000 = 1.38 kg

Page 14: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

What is the pH of a solution made with 0.15 grams of barium hydroxide in 4500 mL of water?

Page 15: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

What is the molar concentration of a solution that contains 0.0750 moles of NaHCO3 in a volume of 115 mL CM = n/v CM = 0.075/.115 = 0.65 M

Page 16: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

A solution has 3.00 moles of solute in 2.00 L of solution, what is its molar concentration? How many moles would there be in 350 mL of solution? CM = n/V CM = 3/2 = 1.5M 1.5 = n/0.35 n = 0.53 mol

Page 17: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Describe in your own words how you would prepare 1.00L of a 0.85 M solution of formic acid HCO2H? CM = n/v 0.85 = n/1 n = 0.85 mol x 46 = 39.1 g Take 39.1 grams of formic acid and dissolve in a little bit of

water. Put into a 1.00 L volumetric flask and fill to the line with water

Page 18: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

What is the molarity of a sulfuric acid solution which contains 5.4 grams of sulfuric acid in 250 mL of water? What is the normality? 5.4g/98 = 0.055 mol CM = 0.055/0.25 = 0.22 M N = (eq)M = 2 x 0.22 = 0.44 N

Page 19: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

What is the molarity of a potassium hydroxide solution which contains 0.94 moles of potassium hydroxide in 450 mL of water? What is the normality? CM = 0.94/0.45 = 2.1 M N = (eq)M = 1 x 2.1 = 2.1 N

Page 20: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

In the titration of 35 mL of liquid drain cleaner containing NaOH, 50 mL of 0.4M HCl must be added to reach the equivalence point. What is the molarity of the base in the cleaner? NaVa = NbVb

(0.4)(50) = Nb(35) Nb = 0.57 N / 1 = 0.57 M

Page 21: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Calculate how many milliliters of 0.25 M Ba(OH)2 must be added to titrate 46 mL of 0.40 M HClO4 NaVa = NbVb

0.4(46) = 0.5Vb

Vb = 36.8 mL

Page 22: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

A 15.5 mL sample of 0.215 M KOH was titrated with an acetic acid solution, It took 21.2 mL of the acid to reach the equivalence point. What is the molarity of the acetic acid? (0.215)(15.5) = Na(21.2) Na = 0.157 N / 1 = 0.157 M

Page 23: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

What is the molarity of a solution of phosphoric acid with a pH of 2.65? 10-2.65

= 0.0022M / 3 = 7.62 x 10-4 M

Page 24: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

A 20 mL sample of an HCl solution was titrated with 27.4 mL of a standard solution of Ba(OH)2. The concentration of the standard is 0.0154 M. What is the molarity of the HCl? (0.0308)(27.4) = Na(20) Na = 0.042N / 1 = 0.042M

Page 25: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Buffer

What is a buffer? A solution that resists changes in pH

Page 26: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

Buffer

What are buffers made of? Where can you find them? Weak acid and its conjugate base Weak base and its conjugate acid You can find them in your BLOOD

Page 27: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

I want to dilute 20 mL of a 6M solution of acetic acid to a 3.8M solution of acetic acid. How much water should I add to the 6M acetic acid to achieve this? 6(20) = 3.8V V = 31.6 mL ADD 11.6 mL of water

Page 28: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

I mix 20 mL of 4.5M NaCl with 40 mL of water. What is the new concentration of the NaCl? 4.5(20) = M(60) M = 1.5 M

Page 29: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

A 450 mL solution of 1.5 M HCl is sat out over night. 150 mL of the water evaporated. What is the new concentration of the HCl? 1.5 (450) = M (300) 2.25 M

Page 30: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

What does the term “strong acid” mean? Strong acid means that the acid

dissociates completely in water

Page 31: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

I used 50 grams of potassium chromate to make a 1.4M solution. What is the volume of the solution? 50 g K2CrO4 / 194 = 0.26 mol 1.4 = .26/v V = 0.184 L

Page 32: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

What is the pH of a solution made by putting 6.0 grams of phosphoric acid in 250 L of water? 6 g H3PO4 / 98 = 0.0612 mol [H3PO4] = 0.0612 / 250 = 2.45 x 10-4

[H+] = 3(2.45 x 10-4) = 7.35 x 10-4

pH = -log(7.35 x 10-4) = 3.13

Page 33: Acid and Base Review Game Chemistry. Name the Acid  HNO 2  Nitrous Acid  H 2 SO 4  Sulfuric Acid  HCl  Hydrochloric Acid  HBr  Hydrobromic Acid

What is the pH of a solution made by putting 3.25 grams of strontium hydroxide in 5000 L of water? 3.25 g Sr(OH)2 / 121.6 = 0.0267 mol [Sr(OH)2] = 0.0267/ 5000 = 5.34 x 10-6M [OH-] = 2(5.34 x 10-6) = 1.07 x 10-5 M pOH = -log(1.07 x 10-5) = 4.97 pH = 14 – 4.97 = 9.03