1.2500 g sample of zinc oxide, 95.0% ZnO were treated with 50.00 mL of 1.1230 N sulfuric acid in the usual way, what volume of 0.9765N sodium hydroxide would be required in the back titration

Q: a. To maké this solution 250 mL, how many grams of NaoH solid need tó be weighed? b. If a lab needs…

A: Since you have posted a question with multiple sub parts, we will solve first three subparts for…

Q: You were asked to determine the acid content of vinegar and soda samples. You performed a simple…

A: To determine the acid content of vinegar and soda, a simple acid-base titration is performed.…

Q: piper ets of 0.545 M NaOH into a test tub nto a small beaker to keep it from spilling and then…

A: Given,  Molarity of NaOH = 0.545 M Volume of NaOH  = 25 mL Mmol of NaOH = M × V = 0.545 × 25 =…

Q: Hello, here is my problem. Calculate the mass of solid sodium sulfate that must be added to 250.0…

A:

Q: Choi is fond of carbonated beverages so he crafted his own soda formulation called "Sodalicious."…

A: Since you have asked a question with multiple subparts, we will answer only first 3 subparts for…

Q: A chemistry graduate student is given 450. mL of a 1.40M benzoic acid (HC,H,CO,) solution. Benzoic…

A: Given,  Molarity of HC6H5CO2 = 1.40 M  Volume of HC6H5CO2 in mL = 450.0 mL  Acid dissociation…

Q: e.g.1 A 25.0 mL sample of hydrochloric acid is titrated with 0.200 mol/L sodium hydroxide. The end…

A:

Q: Consider the equation of acetic acid and barium hydroxide.  Find out the volume used to get the…

A:

Q: Calculate the molar concentration of the acid if 35.18mL of hydrochloric acid was required to…

A: Volume and concentration of calcium hydroxide from which concentration of HCl is to be determined.

Q: A scientist needed to determine the concentration of a potassium hydroxide solution. To do this,…

A: Answer: In this question we have to find out the concentration of KOH solution by titrating it with…

Q: Solute Solubility In H20 Solute Partially Soluble Epson Salt Rock Salt Sand Baking Soda Rock Salt…

A: In chemistry, substances of alike nature mix with each other (like dissolves like).

Q: had taken place. What is 3) What is the effect on the determination of the sodium hydroxide…

A: We have find out the answer. Note ~ Since you have posted multiple questions, we will provide the…

Q: CHEMISTRY (Please write the complete solution legibly. No long explanation needed. Answer in 2…

A:

Q: 5. In another titration, a student uses 1.023 M HCl solution to standardize a sodium hydroxide…

A: a) Mass percent = ?   Moles of HCl are, Moles = molarity × volume Moles = 1.023 M × 1.0 L Moles =…

Q: You have been given a stock solution of crystal violet of concentration 1 x 10-3 M. You are asked to…

A: To find volume of stock solution used, use the dilution law which contains both volume and molarity…

Q: its molarity is

A:

Q: VOLUMENTRIC ANALYSIS Instructions: Answer each of the problems below by showing your solutions…

A: If a 0.2800 g sample of NaHCO3         (96.5% NaHCO3 ) is titrated with 0.9165N sulfuric acid, The…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Step 1:Answer 1The balanced Molecular equation is HCl(aq) + NaOH(aq)       →       NaCl(aq) + H2O(l)…

Q: QUESTION 8 Questions 6 through 9 refer to the following situation: A solid sample containing some…

A:

Q: A student removes 25 mL of 3.0 M NaOH and dilutes it to final volume of 350 mL. What is the…

A: Given,  Initial volume, V1 = 25 ml  Initial concentration, S1 = 3.0 M  Final Volume, V2 = 350 ml…

Q: how would this affect the calculated concentration of the standardized NaOH solution?

A: We have to tell affect the calculated concentration of the standardized NaOH solution

Q: How many milliliters of 0.124 M NaOH solution will exactly react with 25.0 mL of a 0.210 M HCl…

A: Given , Concentration of NaOH (M1) = 0.124 M Volume of NaOH (V1) = ? Concentration of HCl (M2) =…

Q: 9. What is meant by a "dilute weak base?" Provide an example.

A: "Dilute weak base" is the  weak base that is diluted with water .

Q: Chemistry How did the titrations of the two acids compare? Did the results align with the…

A: Given: Titration of strong acid that is hydrochloric acid with strong base that is sodium hydroxide…

Q: A chemistry student weighs out 0.216 g of chloroacetic acid (HCH₂CICO₂) int a 250. mL volumetric…

A:

Q: all of the blanks and submit re practice with titration calculations: of a 0.45 M standard solution…

A: Using, C1V1 = C2V2

Q: A student removes 25 mL of 3.0 M NaOH and dilutes it to final volume of 350 mL. What is the…

A: Given :-  initial concentration of solution = 3.0 M  initial volume of solution = 25 mL  final volum…

Q: If the initial volume reading for the first titration was 0.32 mL and the final volume reading was…

A: In the titration, the volume of the titrant used is equal to if the difference between the final…

Q: by 3. Nicotine is a weak base samples of a nicotine solution are titrated with 0.00526 M…

A: The question is based on the concept of titrations. we are titrating a  nicotinic acid ( weak base)…

Q: Sodium hydroxide is used extensively in acid-base titrations because it is a strong, inexpensive…

A: Concentration in terms of molarity is defined as the moles of solute present per litre of the…

Q: You have a 1 M stock solution of Tris-HCl. Calculate how much of it you would need to make 100 ml of…

A: A question based on titrimetric analysis. Concentration of the stock solution is prescribed from…

Q: A 10.00 mL of vinegar solution is titrated with 39.0 mL of 0.20 M NAOH.The calculated mass percent…

A: A multiple choice question based on quantitative analysis, which is to be accomplished.

Q: Paolo added 6.5 mL of 3.5 M NaOH to 3.6 mL of 0.62 M HCI. Calculate the concentration, in units of…

A:

Q: 3. Barium hydroxide reacts with phosphoric acid to form barium phosphate and water. Write the…

A:

Q: 3. Two laboratory staff titrated a 50.00 mL of hydrochloric acid with an unknown concentration with…

A: Smaller the standard deviation of a data set, more precise is the measurement. A more accurate…

Q: Please calculate the concentration of Cl in a solution of HCI with pOH = 4.49 Please express your…

A: pH = - log[H3O+] [H3O+][OH-] = 1 x 10-14 pOH = - log[OH-]

Q: Precipitates are produced from a chemical reaction. Give at least 3 types of appearances or textures…

A: Q1) Precipitates are produced from a chemical reaction. Precipitate are the compound which does not…

Q: A vinegar sample of 30 mL was diluted with distilled water to a 250-mL volume. 25 mL portion of is…

A: We know that : V1S1 = V2S2  Or, S1 = V2S2/V1 = (25*0.01)/27.1 M = 0.009225 M  This is the strength…

Q: d. Are the results (titration volumes) obtained by the two staff significantly different at the 95%…

A: d. We need to apply t-test to answer this.

Q: Get two medium test tubes. Into one, place about 2 mL of a solution of hydrochloric acid. Into the…

A: Hydrochloric acid (HCl) is an acid, and sodium bicarbonate (NaHCO3) is a base . We know when an acid…