Answered: An unknown acid is dissolved in 25.0 mL…

An unknown acid is dissolved in 25.0 mL of water and titrated with 0.100 M NaOH. The results are shown in the titration curve above. Determine the molar mass of the acid if 0.200 g were dissolved.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter5: Errors In Chemical Analyses

Section: Chapter Questions

Problem 5.10QAP

See similar textbooks

Related questions

Q: To determine the concentration of citric acid, you will need to titrate this solution with 0.100 M…

A: Relation between molarity, volume for reaction between two solutions- M1V1=M2V2 Where,…

Q: ) A 20.2 mL sample of a 0.422 M aqueous hydrofluoric acid solution is titrated with a 0.426 M…

Q: A 0.600 g sample of a pure, weak diprotic acid gives end points at 20.0 mL and 40.0 mL when it is…

A: A diprotic acid reacts with NaOH base in the following way. H2A + 2NaOH ---> 2H2O + 2Na+ + A2- 1…

Q: Four solutions of unknown NaOH concentration are titrated with solutions of HCl. The following table…

Q: You are working with 1.00 M NaOH. Your unknown monoprotic weak acid has a concentration of 1.960…

A: The question is based on the concept of titrations. we are titrating a strong base Sodium hydroxide…

Q: A 250.0 mL sample of 0.328 M HOCl(aq) (Ka = 2.9 x 10−8) is titrated with 0.457 M NaOH(aq). How many…

Q: A 0.2071-g sample of an unknown monoprotic acid is dissolved in water and titrated with standardized…

Q: 0,350 g of a weak monoprotic acid sample was dissolved in water to a total volume of 20.0 mL and…

A: Let weak monoprotic acid = HA Mass of acid = 0.350g Volume of acid = 20.0ml = 20.0ml×1L/1000ml =…

Q: A 0.9600 M NaOH solution was diluted with a factor of 4. Then the diluted solution of NaOH was…

A: The dilution factor is the ratio between final volume of the diluted solution to the initial volume…

Q: Consider a titration of the weak acid 100 mL of 0.250 M HNO2 with 0.250 M NaOH. What type of…

A: Acid is a substance who donate proton and base is substance who abstract proton or produce hydroxide…

Q: In a different titration experiment, it took 23.96 mL of a 0.105 M solution of NaOH to titrate 20.00…

A: Given : Molarity of NaOH used = 0.105 M Volume of NaOH solution used = 23.96 mL And volume of HCl…

Q: In a titration 40.0 mL of HCl is put in a flask with a few drops of phenolphthalein. A solution of…

A: Given, Molarity of HCl = 40.0 mL Molarity of NaOH = 0.200 M Volume of NaOH=…

Q: 25.00 mL of 0.200 M acetic acid is titrated with 0.100 M NaOH. Determine the pH of the solution…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: To a 25.00 mL volumetric flask, a lab technician adds a 0.275 g sample of a weak monoprotic acid,…

A: Given: Mass of acid(HA) = 0.275 gm Molarity of base (KOH) = 0.0803 M Volume of base at end point…

Q: To prepare an acetic acid/acetate buffer, a technician mixes 31.9 mL of 0.0836 M acetic acid and…

A: Concept: Molarity = no of Moles/ Volume Now No of Moles = MV Where M = molality V = volume

Q: + Titration of Strong Acid with Strong Base 100. mL of 0.200 M HCI is titrated with 0.250 M NaOH. A…

A: Here, Molarity of HCl=0.200MVolume of HCl=100mL×1L1000mL=0.1LMolarity of NaOH=0.250MVolume of NaOH…

Q: Calculate the pH at the given points in the titration between 100.0 mL of 0.05000 m NH3 (Kb = 1.8 x…

A: The question is based on the concept of titrations. we are titrating a strong acid with a weak…

Q: A 25.0-mL sample of 0.30 M HCl is titrated with 0.30 M KOH. What is the pH of the solution after…

Q: The following acid solutions were titrated to the equivalence point with the base listed. Use the…

A: Neutralization formula for acid-base titration is, M1V1n1=M2V2n2 where, M1 = Molarity of acid V1 =…

Q: The flask contains 10.0 mL10.0 mL of HClHCl and a few drops of phenolphthalein indicator. The buret…

A: Given, The Volume of HCl = 10.0 mL. The molarity of HCl = x. The Volume of NaOH = 20.2 mL. The…

Q: Why does the dilution of the initial sample (say 75 mL versus 100 mL) not affect in the final…

Q: 15 ml of grapes juice sample containing tartaric acid was titrated using 12.6 ml standardized NaOH…

A: Given data, V1 is the volume of NaOH = 20.5 mL V2 is the volume of KHP = 25 mL M2 is the molarity of…

Q: Discharged volume of NaOH: ? Volume of HCI solution: 10mL pH of the solution over time at the…

Q: An environmental chemist obtained a 200. mL sample of lake water believed to be contaminated with a…

A: Given data,Volume of water sample=200mL=0.200LMolarity of NaOH=0.0050 mol/LVolume of…

Q: Suppose you are performing a titration. At the beginning of the titration, you read the titrant…

A: Given data :- At the beginning of the titration- Initial burret reading- 1.95 mL After the running…

Q: A hydrochloric acid solution consisted of a volume of 98.5mL with a concentration of 0.945M HCl is…

Q: Consider the following information to answer the questions below. A volume of 10.00 mL of 0.100 M…

A: At equivalence point, Number of moles of acid = Number of moles of base Therefore for acid-base…

Q: A 0.328 g sample of an unknown monoprotic acid, HA, is dissolved in water and titrated with a…

Q: The diagram below represents a monoprotic acid, HA. If a 0.0200 M KOH solution were slowly added to…

A: From the diagram it is clear that the given acid is weak acid . Reason: it does not ionised…

Q: A 25.00-mL sample of H2C2O4 solution required 43.88 mL of 0.1891 M NaOH solution to titrate it to…

A: The reaction is a neutralization reaction in which an acid reacts with a base to give salt and…

Q: 1. A student carried out an experiment using an egg shell that contains Calcium Carbonate. A 0.500…

A: Answer: This question is based on acid-base titration where we have find out the number of moles of…

Q: What is the pH at the equivalence point in the titration of a 29.8 mL sample of a 0.371 M aqueous…

A: Calculation of no. of mol of acetic acid: n=Molarity×Volume=0.371 mol/L×29.8×10-3 L=0.011056 mol At…

Q: A student is given 0.930 g of an unknown acid, which can be either oxalic acid, H2C2O4, or citric…

A: As the acids either oxalic or citric acid (H2C2O4 or H3C6H5O7) are weak acids therefore when reacted…

Q: A 30.00 mL sample of 0.400 M HNO3 is titrated with 0.600 M KOH. What is the balanced neutralization…

A: Strong acid completely dissociate to give hydrogen ion on Strong base completely dissociate to give…

Q: To a 25.00 mL volumetric flask, a lab technician adds a 0.125 g sample of a weak monoprotic acid,…

A: Given, Mass of weak monoprotic acid HA is ---- 0.125g Volume of solution made with it is…

Q: 35.8 mL sample of a 0.321 M aqueous acetic acid solution is titrated with a 0.408 M aqueous…

Q: In a particular titration experiment a 25.0 mL sample of an unknown H2SO4 required 30.0 mL of 0.200…

A: The given data: The Volume of acid = 25.0 mL The volume of the base (NaOH) = 30.0 mL The…

Q: 1) A 25.0 ml solution of an unknown concentration of phosphoric acid, H;PO4, is titrated with0.250 M…

Q: 10.Use the data in Table 1 to answer the following Table 1: Titration Data Volume of magnesium…

Q: The flask shown here contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret…

A: In this problem, the volume of sodium hydroxide can be calculated only when the initial…

Q: During titration if we add sodium carbonate solution on burette is it true or false with this…

A: 1. Sodium Carbonate is a salt which is formed of a strong base that is NaOH and a weak acid that is…

Q: A student titrated 30.mL of 0.15 M HF(aq) with 0.30 M NaOH(aq). The results are plotted on the…

A: The titration of HF with NaOH has been considered. The given questions have been solved based on the…

Q: A student is given 0.716 g of an unknown acid, which can be either oxalic acid, H2C2O4, or citric…

A: Answer:- This question is answered by using the simple concept of reaction between acid and base and…

Q: Which statement is true? Group of answer choices A titration curve is a plot of p function of the…

A: generally, a titration curve contains the pH of the analyte and volume of the titrant.

Q: solution of 0.0470 M HCl is used to titrate 26.0 mL of an ammonia solution of unknown concentration.…

Q: A 4.80 mL sample of an H3PO4 solution of unknown concentration is titrated with a 1.100×10−2 M NaOH…

A: At equivalence point, the number of moles of acid is equal to the number of moles of base used for…

Q: A titration was done using 32.83mL of a weak acid and 0.141 M NaOH. If 32.81 mL of the NaOH was…

A: At equivalent point: Macid x Vacid = MNaOH x VNaOH

Q: Calculate the volume of NaOH that was added in each titration. b. Determine the average volume of…

A: The ratio of moles of solute to the volume of solution in liters is known as concentration. Given…

Q: Comparing the two quantities based on the given condition, which is greater I or II? or are they…

A: Both the volume of the solution and concentration of the weak acid, HA and HB are the same i.e 0.100…

Q: 30 mL of sulfuric acid of unknown concentration is titrated against 40 mL of 0.20 M NaOH. What is…

Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

100%

An unknown acid is dissolved in 25.0 mL of water and titrated with 0.100 M NaOH. The results are shown in the titration curve above. Determine the molar mass of the acid if 0.200 g were dissolved.

13
11
pH 7
5
1
+
5
10
15
20
25
30
35
Volume of 0.100 M NaOH added (mL)
3.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

6 I- + BrO3- + 6 H+ ----- 3 I2 + Br- + 3 H2O Rate= k[I-]m[BrO3-]n[H+]p rate= (∆[I2])/(3*∆time) [I-] 0.010M [S2O3-2] 0.0010M H2O [BrO3-] 0.04M HCl 0.10M Starch Indicator (sec.) Volume, ml Volume, ml Volume, ml Volume, ml Volume, ml 1 10 10 20 10 10 1-3 drops 301.90 2 20 10 10 10 10 1-3 drops 213.28 3 10 10 10 20 10 1-3 drops 214.92 4 10 10 10 10 20 1-3 drops 86.45 Temperature of Reaction: _______20 C________ 1. Using the dilution equation (M1V1 = M2V2) calculate the concentration of the I-, BrO3- and the H+ (HCl) in the final mixture just prior to any reaction. 2. Calculate the rate for each experiment as explained in the background information. 3. Using the information above determine the rate law (m, n and p) for the reaction. Show all calculations/reasoning in your notebook. m_____________ n_________________ p…
3What is the ratio strength of benzalkonium chloride in a nasal spray that contains 125 µg/mL of the ingredient? a 1:8 b 1:80 c 1:800 d 1:8000
3.) In the assay of NaHCO3, 3.0g of the solid is dissolved in 25mL water. What is the normality? How many mL of 1N H2SO4 will be required to neutralize this solution? From this volume of acid, compute the percent purity of NaHCO3.
the ksp of calcium hydroxide is 4.86x10^-6
A 786 mLmL NaClNaCl solution is diluted to a volume of 1.19 LL and a concentration of 3.00 MM . What was the initial concentration C1C1C_1?
15. A 300.00 mL solution of 0.00165 M A2B5 is added to a 230.00 mL solution of 0.00380 M C2D3. What is pQsp for A2D5?
A 20-mL vial of concentrated ammonium chloride solution containing 5 mEq/mL is diluted to 1 liter with sterile distilled water. Calculate the total milliequivalent value of the ammonium ion in the solution (m.wt for ammonium chloride is 53.5)? *
Trail 1 volume vinegar, mL 4.00 mL g HC2H3O2 in sample taken 60.10 % HC2H3O2 (W/V) ?
Please don't provi8de handwritten solution ...
A 1.5000-g sample of cereals was analyzed for nitrogen using the Kjeldahl procedure. The receiving flask contained 69 mL of 0.02 M HCl. After the ammonia was collected, the solution was titrated with 0 M NaOH, requiring 11.72 mL to reach the methyl red endpoint. Calculate and percent protein in the sample (f=5.70). Ans. in 3 SFs
What is the [CH3CH2CO2−] in a solution which is 0.1416 M in CH3CH2CO2H and 0.1929 M in HNO3? CH3CH2CO2H(aq) + H2O(l) → CH3CH2CO2−(aq) + H3O+(aq) Ka = 1.3000e-5
1. Mixing a solution of higher concentration with an identical solution of lesser concentration 2. Color of the end point in the standardization of NaOH if methyl orange is used 3. Errors due to the decrease of voltage of a battery operated power supply is an example of ___