Print out the assignment : Word | RTF | PDF
| 1. | The substances listed in the chart below were tested with indictors methyl red, phenol red, and thymol blue. Complete the chart indicating what colors would be seen with each indicator.
|
|||||||||||||
| 2. | Write balanced neutralization reactions for the following: | |||||||||||||
| a. | the reaction between hydrobromic acid, HBr, and potassium hydroxide, KOH | |||||||||||||
| b. | the reaction between nitric acid, HNO3 and magnesium hydroxide, Mg(OH)2 | |||||||||||||
| c. | the reaction between phosphoric acid, H3PO4and sodium hydroxide, NaOH | |||||||||||||
| 3. | What is the molarity of a 25 mL solution of HCl that is titrated to an end point by 10 mL of a 0.200 M solution of NaOH? HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) |
|||||||||||||
| 4. | What is the molar concentration of a 50-mL solution of Ba(OH)2 that is titrated to an end point by 15 mL of a 0.00300 M solution of HCl? 2 HCl(aq) + Ba(OH)2 (aq) → BaCl2 (aq) + 2 H2O(l) |
|||||||||||||
| 5. | What is the molarity of a 21 mL nitric acid solution that completely neutralizes 25.0 mL of a 0.300 M solution of NaOH? HNO3 (aq) + NaOH(aq) → NaNO3 (aq) + H2O(l) |
|||||||||||||
| 6. | What is the molar concentration of a 45.0 mL solution of KOH that is completely neutralized by 15.0 mL of a 0.500 M H2SO4 solution? H2O4 (aq) + 2 KOH(aq) → K2SO4 (aq) + 2 H2O(l) |
|||||||||||||
| 7. | A neutral solution is produced when 42.00 mL of a 0.150 M NaOH solution is used to titrate 50.00 mL of a sulfuric acid (H2SO4) solution. What is the concentration of the sulfuric acid solution before titration? H2O4 (aq) + 2 NaOH(aq) → Na2SO4 (aq) + 2 H2O(l) |
|||||||||||||