Question
Asked Jul 29, 2019
52 views

0.3043 g of pure KHP was weighed out and titrated to an end point with 15.12 mL of a NaOH solution that was approximately 0.1 M. What is the exact concentration of the NaOH titrant?

check_circle

Expert Answer

Step 1

Neutralization reaction between KHP (C8H5KO4) and NaOH is given below,

help_outline

Image Transcriptionclose

NaC ,H,ко, + H,о СН.Ко, + Naон

fullscreen
Step 2

Number of moles of KHP reacted can be calculated as follows,

help_outline

Image Transcriptionclose

Mass No. of moles = Molar mass (0.3043 g) (204.22g mol) = 0.00149 moles KHP

fullscreen
Step 3

From the balanced equation, it is clear that one moles of KHP reacts with one moles of NaOH. Hence, 0.00149 mo...

help_outline

Image Transcriptionclose

Volume of NaOH = 15.12 mL = 15.12x 103 L No. of moles of NaOH Concentration Volume(L) (0.00149 mol) (15.12x 103 L) 0.0985 mol/L =0.0985 M

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

Quantitative analysis

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: Indicate each as either strong acid, strong base, weak acid, or weak base. KOH(aq) --> K+(aq) + O...

A: According to Arrhenius, strong base is a molecule that dissociates completely in water forming the c...

question_answer

Q: Provide the structure of the major organic product in the reaction shown below. 5. Br 1. Mg, Et20 2....

A: Grignard Reaction is an organometallic reaction in which different alkyl, aryl-magnesium halides add...

question_answer

Q: Currently, the atomic mass unit (amu) is based on being exactly one-twelfth the mass of a carbon-12 ...

A: The mass of an atom is not only due to the sum of the masses of the neutrons, protons and electrons ...

question_answer

Q: Provide a structure for the expected product of the following reaction. 6. 1) Mg Br 2) H3 C 3) H30+ ...

A: Alkyl, vinyl, or aryl-magnesium halides is called as Grignard reagent.

question_answer

Q: Why CH3CH2OH is most soluble is water?

A: Because of hydrogen atom in ethanol is directly bonded to oxygen atom, which can form hydrogen bondi...

question_answer

Q: Which of the following molecules has a central atom with sp3 hybridization   1. BF3 2. SF4 3....

A: Hybridization is a hypothetical phenomenon or an idea where atomic orbitals combine together in such...

question_answer

Q: Determine the pH of a 0.125 M NH3 solution.

A: Ammonia is a weak base and its kb  is 1.75*10-5.  The given concentration of ammonia solution is gre...

question_answer

Q: At 25 °C, how many dissociated OH– ions are there in 1291 mL of an aqueous solution whose pH is 1.39...

A: The number of dissociated hydroxide ions are present in given solution is determined as,

question_answer

Q: 10. In the Benedict's test: a. An aldehyde is oxidized b. The copper ion is oxidized c. A silver mir...

A: A carbohydrate which has either a free aldehyde or free ketone functional group as a part of its mol...