Editing More Review Homework For Acid/Base Including Buffers (Non-Math)
ChemistryWiki
|
RecentChanges
|
Preferences
Part I: For the following, give the correct chemical name or chemical formula and if it is a non, strong or weak electroylte.<Br> <br> 1. Carbonic acid<br> <br> 2. K<sub>1</sub>(OH)<sub>1</sub> <br> <br> 3. Ammonia<br> <Br> 4. Sulfur trioxide<br> <br> 5. H<sub>2</sub>SO<sub>4</sub><br> <br> <br> Part II Answer the following question showing all appropriate work. <br> <Br> 6a. What is the pH of a 0.50M carbonic acid solution? <br> <br> <br> <br> <br> <br> <br> 6b. What is the hydroxide concentration ( [OH<sup>1-</sup>] for a 0.00491M calcium hydroxide solution? What is its pOH?<br> <br> <br> <br> <br> 6c. What is the pOH of a 0.621M hydrochloric acid solution?<br> <br> <br> <br> <br> 7. What is the molarity of the potassium hydroxide solution if you added 31.0mL of this solution in order to complete neutralize 53.5mL of a 0.781M sulfuric acid solution.<br> a. Write balanced chemical reaction.<br> b. Calculations.<br> <br> <br> <br> <br> <br> <br> 8. In a titration lab of the above acid base reactions, you need to determine the appropriate pH indicator to use for this titration. What phrase do you need to memorize in order to make the correct choice. <br> <br> <br> <br> 9a. What is the conjugate acid of the acid, NO<sub>2</sub><sup>1-</sup> ion.<br> <Br> 9b. What is the conjugate acid of the base, CH<sub>3</sub>NH<sub>2</sub><br> <br> 10a. What do you need to make an acid buffer? <br> <br> 10b. What does a buffer do and How? <br> <br> <br> <br> <br> <br> <br>
View other revisions
ChemistryWiki
|
More Review Homework For Acid
|
RecentChanges
|
Preferences