Example: Vinegar is an aqueous solution of acetic acid, HC₂H₂O₂ (HAc). A 12.5 mL sample of vinegar was titrated with a 0.504 M solution of NaOH. The titration required 15.40 mL of the NaOH solution to reach the endpoint. What is the concentration of HAc in vinegar?

Q: What volume of concentrated H2SO4 (18.OM) is required to prepare 550mL of 4.00M H2SO4 solution?

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Q: A D 12 = 00 # = 4 P2=3 # = 2 G 1s 2s 71- B E ^^^ H C F 71=5 = 4 "=3 n = 2- n 1- [Kr]5s¹

A: The probability of finding an electron around a nucleus is based upon the findings/solutions of…

Q: An unknown element is a mixture of isotopes ¹²⁰X and ¹²²X. The average atomic mass of X is 120.48…

A: Given:  average atomic mass of X = 120.48 amu. isotopes ¹²⁰X and ¹²²X To find: percent abundance of…

Q: e

A: Resonance structure of a given compound can be drawn by considering electron density.

Q: We are supposed to draw the structure (z) 1,3- pentadiene. I took organic 1 2 semesters ago, so I…

A: To draw (Z)-1,3-pentadiene, we will check the meaning of Z .

Q: Which of the following statements is true? (A) Because HCl is a strong acid, the bond dissociation…

A: The bond dissociation energy is defined as the energy required to break a bond to form two atomic or…

Q: Draw all the products (alkyl halides) of the following reactions and classify them as primary,…

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Q: What is the systematic name of:  1) 2-(1-hydroxypropyl)-6-isobutylcyclohexan one 2)…

A: since you posted a question with multiple subparts, we will solve the first three subparts for you.…

Q: Placing a between the "pot" and the distillation head increases the number of theoretical plates and…

A: This question is based on distillation. Thermocouple is used measure temperature. stopper is cork…

Q: A(n) COO- I H₂N-C-H CH₂ | CH CH₂ CH₂ L-Leucine COO- T H-C-NH, CH₂ CH CH₂ CH₂ D-Leucine reaction…

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Q: Write the safety precautions for each chemical Dry ice Chloroform-D Limonene

A: We have to write the safety precautions of  Dry ice  , Chloroform D and Limonene  Note: According to…

Q: Copper(II) sulfate pentahydrate can be decomposed (dehydrated) by strong heating according the…

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Q: Write the empirical formula of at least four binary ionic compounds that could be formed from the…

A: Given ions are Mg2+ , Ni4+ , Br-  , O2-

Q: Write the answer but make it more noticeable what is supposed to be capitalized and what isn’t.

A: Ionic compounds are those in which ions are held together by electrostatic force of attraction.…

Q: Use the following energy expression and the variational principle to find the exponent for U⁹1+

A: We need find the value of variation parameter using variation principle for the given energy…

Q: 12. The average adult exhales about 1.0 kg of carbon dioxide each day. How much glucose (C6H12O6,…

A: 1 mole glucose produces 6 moles of CO2 180g of glucose produce = 6× 44 g of CO2 Molar mass of…

Q: Copper(II) fluoride contains 37.42% F by mass. Use this percentage to calculate the mass of fluorine…

A: Given, F content in Copper (II) fluoride = 37.42 % Mass of copper(II) fluoride = 60.0 g

Q: Calculate mass percent of each element in perchoric acid, HCLO4 ?

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Q: The decomposition of N2O4 into NO2 is carried out in a sealed container at 25o N2O4(g)  ⇌  2 NO2(g)…

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Q: hi, I'm stuck on these if you can please help Detail the role of each enzyme (five) involved in…

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Q: Which of the following species are isoelectronic with Ne? Choose one or more: O Mg2+ O Li D Ca O F-…

A: Here, we have to find the sp[ecies that are isoelectronic with Ne.

Q: Which of the following Newman projections accurately depict the compound shown?

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Q: 6. If a Chemist has isolated 12 g PH3, How many molecules of PH3?

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Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A: Given,♦ 0.6 mol of KOH is added to 1.0 L of a 0.3 M HF solution .♦ 0.2 mol of HI is added to 1.0 L…

Q: Can you answer the questions and explain how you find it

A: According to the bartleby Q A guidelines I am answering the first one only please repost remaining…

Q: What mass of chloral hydrate would contain 2.4 g Cl? Mass =              g

A: The chemical formula of chloral hydrate is = H2C3Cl3O2 . Therefore in one mole chloral hydrate there…

Q: To standardize an acidified KMnO4 solution, 0.9812 g of FeSO4 is weighed out, dissolved in water,…

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Q: Suppose a 0.047M solution of oxalic acid (H2C2O4) is prepared. Calculate the equilibirum of C2O4^2-…

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Q: a) The structure of penicillin G is shown below. Circle the most acidic proton in the structure and…

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Q: a pharmacist needs to prepare 30 capsules, each containing 850 mg of fish oil (sp gr = 0.907). How…

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Q: The freezing point of ethanol CH3 CH₂ OH is -117.30 °C at 1 atmosphere. A nonvolatile,…

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Q: Diethyl ether (C4H10O)(C4H10O), the "ether" used medically as an anesthetic, is prepared…

A: Given reaction: 2C2H6O(l)Ethyl alcohol → C4H10O(l)Diethyl ether+H2O(l) We have to find the mass of…

Q: Use the Debye-Hückel equation to calculate the activity coefficient of each ion at the given ionic…

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Q: Be referred to salt X and its structure in answering questions 1-5. 2 1 NN CI- H3C- 4 5 N H 6 N 5 1…

A: Hybridisation : When two atomic orbital of comparable  energy are mixed or merged together is called…

Q: For most neurons, the extracellular concentration of chloride ions (Cl-) is 108 mM, while the…

A: Here using nernst equation we can easily calculate the equilibrium potential of Cl-. But, the sign…

Q: The calcium (40.078 g/mol) in a 500.0 mL sample of natural water was determined by precipitating the…

A: Molar concentration is measure of concentration of chemical species, in particular of a solute in a…

Q: What is the pressure (in the bar) of Cl2(g) in a corresponding state with N2(g) at 239 K and 14.1…

A: Law of Corresponding states: Two or more substance having the same reduced temperature and the same…

Q: Part A orbitals in the n = 3 energy level Express your answer as a integer. Submit Request Answer ▾…

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Q: In which of the following ions does carbon have a formal charge? Explain your answer. A) I B) II…

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Q: 11. A copper ore consisting of 12.5% copper(II) sulfide, when heated and reacted with oxygen gas,…

A: Given data is copper(II) sulfide in th copper ore = 12.5%  when this is  heated and reacted with…

Q: hey the answer was incorrect can you please correct it? thanks

A: Atomic number of given as the number of protons in an atom.

Q: 4. What is the pH of a solution containing 0.2 M acetic acid (pK₂ = 4.7) and 0.7 M sodium acetate?…

A: Note- Since the given question is a multiple question, hence I solved first one because y rules of…

Q: for this question you need to work all of your answers on scrunch paper. Once completed upload an…

A: Average rate: The rate of the reaction over the complete experiment. Instantaneous rate: The rate of…

Q: Metal X has an edge length of 4.1303 Å and a diameter of 2.92 Å. Assume that there is one atom per…

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Q: Give a complete definition for each of the following enthalpy changes. In each case, please include…

A: Enthalpy change is defined as amount of heat absorbed or released by the process under constant…

Q: For each of the following chemical symbols, determine the number or element symbol that goes in the…

A: Given Total number of electrons in Barium = 54 Total number of neutrons = 81

Q: find resonance

A: Resonance of any structure is simply the delocalisation of π- electrons or loan pair electrons in…

Q: there are two binary compound of mercury and oxygen. Heating either of them results in the…

A: In the given question we have to determine the empirical formula of the compound first and second.

Q: The solubility product constant of Mg(OH),2 at 25°C is KP=3.4*10^-11 .In a solution of Mg(NO3)2…

A: A particular compound will starts to precipitate when its product of solubility or concentration…

Q: If 6.000 moles of MgSO4.7H₂O is heated to a constant weight, how many grams of water will be…

A: 6.000 moles of MgSO4.7 H2O is heated to a constant weight .We have to determine the grams of water…

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for