the purpose of the experiment was to determine the molarity of NaOH solution. During the titration...
the purpose of the experiment was to determine the molarity of NaOH solution. During the titration water was added to KHP to wash down the sides of the flask. It diluted the concentration of KHP. Why is it not a concern?
Homework Answers
Answer:
- As water is unbiased and having a nonpartisan (PH=7) that won't influence the titration esteem expected to bring the proportionality point by which grouping of NaOH is to be resolved.
- So this is the reason for not a concern.
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the purpose of the experiment was to determine the molarity of
NaOH solution. During the titration...
5. Will the calculated molarity of NaOH be lower or higher if you use tap water...
5. Will the calculated molarity of NaOH be lower or higher if you use tap water rather than deionized water to dissolve the KHP crystals or to rinse down the walls of the flask during the titration? Tap water contains some calcium bicarbonate. The calculated molti O NAOH will be lower lose top water rother thon deionited water to dissolve the crystals 6. Write and balance the equation for a neutralization of a sulfuric acid solution of unknown concentration by...
A solution of which compound will be in the buret during your experiment? NaOH HCl HOAc...
A solution of which compound will be in the buret during your experiment? NaOH HCl HOAc EtOAc EtOH You will use titration to determine the equilibrium concentration of one component of this chemical reaction. Which component will you be determining the concentration of? HOAc (acetic acid) H2O (water) EtOAc (ethyl acetate) EtOH (ethyl alcohol) HCl (hydrochloric acid) Recall how titration works. If 17.51mL of 0.0985M NaOH is need to achieve the endpoint of a titration with KHP (potassium hydrogen phthalate), how many...
Standardization of NaOH: Acid Base Titration Objective: In this lab, you will accurately determine the concentration...
Standardization of NaOH: Acid Base Titration Objective: In this lab, you will accurately determine the concentration of a solution of sodium hydroxide (NaOH) using a 0.500M potassium hydrogen phthalate (KHP) standard solution. Background: Acid–Base Titrations When an acid reacts with a base, a neutralization reaction occurs. The H+ ions from the acid and the HO– ions from the base combine to form water and are therefore neutralized. The other product of reaction is a salt. For example, hydrochloric acid reacts...
can someone help me with these lab questioins on titration of diluted vinegar When titrating an...
can someone help me with these lab questioins on titration of
diluted vinegar
When titrating an acid with a base, phenolphthalein is often used to indicate the end of the titration. When placed in an acidic solution, phenolphthalein turns the solution a. b. green colourless pink. a milky white. C. d. To make a standard NaOH solution, about 13 mL of 3 M NaOH is mixed with about 300 mL of deionized water (H2OD) in a 500 ml beaker. Why...
EXPERIMENT 10 ACID AND BASE TITRATION 2 Post - Laboratory Questions 1. Student A weighs 0.747...
EXPERIMENT 10 ACID AND BASE TITRATION 2 Post - Laboratory Questions 1. Student A weighs 0.747 g of KHP on a laboratory balance. The KHP was titrated with an unknown NaOH solution and the concentration of the NaOH was determined to be 0.113 M. Student B diluted 6 M HCl from the reagent shelf using a volumetric flask to obtain 0.6 MHCI. This solution was titrated with the same unknown NaOH solution and found to be 0.104 M. Which student...
can someon help with these questions To make a standard NaOH solution, about 13 mL of...
can someon help with these questions
To make a standard NaOH solution, about 13 mL of 3 M NaOH is mixed with about 300 mL of deionized water (H2OD) in a 500 ml beaker. Why is it not necessary to know the exact volumes of NaOH and H2OD? a b. It isn't necessary to know more than 1 significant digit As a standard solution, the NaOH solution will only need an approximate molarity. The NaOH solution will be further diluted...
Materials: NaOH MW = 40 g/mL, KHP - potassium hydrogen phthalate, KHC8H404, MW = 204.23 g/mol....
Materials: NaOH MW = 40 g/mL, KHP - potassium hydrogen phthalate, KHC8H404, MW = 204.23 g/mol. Acetic acid, HC2H302, MW = 60.05 g/mol Part 1: Standardization of NaOH Assume 0.951 g of KHP is weighed and transferred to a 250 mL Erlenmeyer flask. Approximately 50 ml water is added to dissolve the KHP. Note that the exact volume of water is not important because you only need to know the exact number of moles of KHP that will react with...
please type answer or fill in the blanks PLEASE UU ANITOUESTIONS EXPERIMENT 10 PRE-LABORATORY STANDARDIZATION OF...
please type answer or fill in the blanks PLEASE
UU ANITOUESTIONS EXPERIMENT 10 PRE-LABORATORY STANDARDIZATION OF A SODIUM HYDROXIDE SOLUTION NAME DATE 1. What is the purpose of this experiment? 2. A sample of KHP has a mass of 2.345 g is used for a titration, how many moles of KHP is this sample? 3. How many moles of NaOH would be needed to reach the endpoint of this titration with sample of KHP from the previous question? 4. If...
Materials: NaOH MW = 40 g/mL, KHP - potassium hydrogen phthalate, KHC8H404, MW = 204.23 g/mol....
Materials: NaOH MW = 40 g/mL, KHP - potassium hydrogen phthalate, KHC8H404, MW = 204.23 g/mol. Acetic acid, HC2H302, MW = 60.05 g/mol Part 1: Standardization of NaOH Assume 0.951 g of KHP is weighed and transferred to a 250 mL Erlenmeyer flask. Approximately 50 ml water is added to dissolve the KHP. Note that the exact volume of water is not important because you only need to know the exact number of moles of KHP that will react with...
What is the molarity of a NaOH solution if a titration requires 35.17 mL of the...
What is the molarity of a NaOH solution if a titration requires 35.17 mL of the solution to neutralize 0.8591 g of KHP? The answer is 0.1196 M but how?
5. Will the calculated molarity of NaOH be lower or higher if you use tap water rather than deionized water to dissolve the KHP crystals or to rinse down the walls of the flask during the titration? Tap water contains some calcium bicarbonate. The calculated molti O NAOH will be lower lose top water rother thon deionited water to dissolve the crystals 6. Write and balance the equation for a neutralization of a sulfuric acid solution of unknown concentration by...
can someone help me with these lab questioins on titration of
diluted vinegar
When titrating an acid with a base, phenolphthalein is often used to indicate the end of the titration. When placed in an acidic solution, phenolphthalein turns the solution a. b. green colourless pink. a milky white. C. d. To make a standard NaOH solution, about 13 mL of 3 M NaOH is mixed with about 300 mL of deionized water (H2OD) in a 500 ml beaker. Why...
EXPERIMENT 10 ACID AND BASE TITRATION 2 Post - Laboratory Questions 1. Student A weighs 0.747 g of KHP on a laboratory balance. The KHP was titrated with an unknown NaOH solution and the concentration of the NaOH was determined to be 0.113 M. Student B diluted 6 M HCl from the reagent shelf using a volumetric flask to obtain 0.6 MHCI. This solution was titrated with the same unknown NaOH solution and found to be 0.104 M. Which student...
can someon help with these questions
To make a standard NaOH solution, about 13 mL of 3 M NaOH is mixed with about 300 mL of deionized water (H2OD) in a 500 ml beaker. Why is it not necessary to know the exact volumes of NaOH and H2OD? a b. It isn't necessary to know more than 1 significant digit As a standard solution, the NaOH solution will only need an approximate molarity. The NaOH solution will be further diluted...
Materials: NaOH MW = 40 g/mL, KHP - potassium hydrogen phthalate, KHC8H404, MW = 204.23 g/mol. Acetic acid, HC2H302, MW = 60.05 g/mol Part 1: Standardization of NaOH Assume 0.951 g of KHP is weighed and transferred to a 250 mL Erlenmeyer flask. Approximately 50 ml water is added to dissolve the KHP. Note that the exact volume of water is not important because you only need to know the exact number of moles of KHP that will react with...
please type answer or fill in the blanks PLEASE
UU ANITOUESTIONS EXPERIMENT 10 PRE-LABORATORY STANDARDIZATION OF A SODIUM HYDROXIDE SOLUTION NAME DATE 1. What is the purpose of this experiment? 2. A sample of KHP has a mass of 2.345 g is used for a titration, how many moles of KHP is this sample? 3. How many moles of NaOH would be needed to reach the endpoint of this titration with sample of KHP from the previous question? 4. If...
Materials: NaOH MW = 40 g/mL, KHP - potassium hydrogen phthalate, KHC8H404, MW = 204.23 g/mol. Acetic acid, HC2H302, MW = 60.05 g/mol Part 1: Standardization of NaOH Assume 0.951 g of KHP is weighed and transferred to a 250 mL Erlenmeyer flask. Approximately 50 ml water is added to dissolve the KHP. Note that the exact volume of water is not important because you only need to know the exact number of moles of KHP that will react with...
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