Find the pH of the equivalence point and the volume (mL) of 0.0716 M KOH needed to reach the equivalence point in the titration of 23.4 mL of 0.0390 M HNO₂. LOH Volume: 12.7 pH = 12.4 X

Q: Calculate the number of moles in 854 mL of HCl at STP.

A: According to ideal gas law, the volume of the same number of moles of all gaseous at constant…

Q: Use the table below to answer the following questions Name of acid Acetic Acid (HC2H302) Formic Acid…

A: The acids given are,

Q: Identify the Bronsted-Lowry H2O + CO 3 O H₂CO3 2- O CO3²- OH™ O H₂O О) нсоз 2- acid in the following…

A:

Q: Take a 2.85 L solution containing 1.94 mol L-1 hydrochloric acid (HCl) What is the amount of sodium…

A: The answer is as follows:

Q: QUESTION 11 The following are used as primary standards for NaOH EXCEPT O sulfamic acid sodium…

A:

Q: (₁ 2. X X R R t X X excessive 1 Na NH ₂ 2 2) H₂O D Nạnh 2) H₂0 excessive 3. R-= HX 7 x+

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: The graph shows   A)  Adding HNO3 from buret to HClO in flask   B)  Adding NaOH from buret to NH3…

A: the graph starts approximately from pH 10 which is our solution pH before the titration. it…

Q: Question 26: Calculate the Ka and Kb of the following conjugate acids and bases to 2 significant…

A: Answer:If acid and base are conjugate of each-other then product of and  will always be equal to…

Q: Calculate the Keq of the following reaction if (NO)eq = 0.132M, (O2)eq = 1.078M, and (NO2)eq =…

A:

Q: Ра PA of a ofa п. 4.гом sol. of HNO3(aq)

A:

Q: In CaCO3 + HCI -→ CaClz + H2O+CO2 , how many lters of cerbon dioxide gas, measured at STP.can be…

A: CaCO3​+2HCl→CaCl2​+H2​O+CO2​   100  g                                        44  g 1  mole…

Q: 4 NH3 + 5 O2 --> 4 NO + 6 H20

A: The given equation is

Q: The reaction that forms most of the acid in acid rain is A SO2 (g) + H20 (1) – H2SO4 (aq) B So3 (g)…

A: The acid rain contain acid in the form of sulfuric acid and nitric acid. This acid is formed by the…

Q: What is the major product from the indicated sequence of reactions? 1. Br2, ACOH 2. Pyridine, heat…

A: ->Br2/CH3COOH give Alpha bromination. ->In presence of base there occur formation of alkene.…

Q: A chemical engineer is studying the following reaction: 4 HCl(g)+O,(g) –→ 2 H,O(g)+2Cl,(9) At the…

A:

Q: How many moles of water are produced from 1 mole of CH4 according to the following reaction…

A: How many moles of water are produced from 1 mole of CH4 according to the following reaction…

Q: Which of the following reactants/products are present when sulfuric acid is mixed with water?…

A: Given: Sulfuric acid mixes with water. Sulfuric acid is a strong and it dissociates completely in…

Q: -OEt -OEt Br 2 equivalent NaOH 2 equivalent H3O+, heat NaNO2, HCI LiAlH4 1. SOCI₂ 2. CH3CH2NH2

A: Step 1:Step 2:Step 3:Step 4:

Q: For each of the following reactions: i) H2SO4(aq) + H20 H30+(aq) + HSO4 (aq) ii) HSO4 (aq) + H2O…

A: Answered Explanation:

Q: Write the complete balanced equation and then the Keq expression for the following: Substitution…

A: Given reactants are Magnesium strips and nitric acid.

Q: CD(s)+HCl(Aq)----H2(aq)+CdCl2(aq) At STP how many liters of HCl are required to poduce 0.11L of a…

A: Volume of HCl required= 3.48 L

Q: 10. 11. -OMe EtOH 5001

A: The question is based on organic reactions. We need to identify the product and explain its…

Q: How could you distinguish between the gases H2 and CO2? A By smell B By running reactions By color…

A:

Q: Fill in the blanks and write the balanced equation: ______ + H2O = NaOH + ______

A: The given equation has to be filled and balanced. The given equation is,

Q: Complete the balanced molecular reaction for the following weak acid with a strong base: HC2H;O2(aq)…

A:

Q: Some soluble compounds are listed in the table below. Complete the table by filling in the name or…

A:

Q: 13) How many signals would you expect in the H NMR spectrum of the compound shown? 20 N a 5 5 1 14)…

A: The number of signals represent the number of different type of  proton in a molecule.

Q: Tetrahvdrocannabinolic acid (THCA), the precursor to THC, a psychoactive: H.C H.0

A:

Q: What is the [H+] of a soln with a pOH of 2.9?   A. 1.3 E -3 B. 7.9 E -12 C. 7.0 D. 1 E -7

A: The pOH of the solution is = 2.9 The H+ ion concentration in the solution is =?

Q: Question 25 40 Listen Which of the following is named correctly? HCl(aq); hypochlorous acid…

A:

Q: How do I solve for the reactant?

A: Acetic acid has carbon, hydrogen and oxygen in it and acetic acid in its standard state is a…

Q: where did the 7.55 come from in step 6?

A: c) Recall the given reaction,                                Sn2+ aq + Zn s ↔ Sn s + Zn2+ aqEcell…

Q: -СООН 7. (7a) + 2 NaOH (7b + NazCO3. +. H2O

A: Interpretation: We have to make the final product.

Q: how many moles of NaHCO3 are in 27.5g NaHCO?

A: The number of molecules or atoms present in the one mole of the substance is equal to the Avogadro…

Q: How many ml od tertiary H2SO4 1M will act with 16,8 g NaHCO3

A:

Q: You may want to reference (Pages 349 - 353) Section 11.9 while completing this problem. When Zn…

A:

Q: Use 2NaOH(aq)+H2SO4(aq)->Na2SO4(aq)+2H2)(l) to calculate   the moles Na2SO4 produced from 6.5 mol…

A:

Q: Gas b.p. 27 K 88 K Ne Ar PH3 NH3 185 K 240 K Observations: (a) both (NH3 & PH3) have higher b.p.…

A: We need to explain what are the physical and chemical reasons for the observations given. It is…

Q: If 400. mL of 2.0 M HCI react with excess CaCO3, what will be the volume of CO₂ produced, measured…

A: The objective of this question is to calculate the volume of CO2 produced when 400 mL of 2.0 M HCl…

Q: (a) 1. (CH;CH,CH,),CuLi 2. H-О 3. HCN 1. CH3MGBR (b) 2. H20, H* 3. KMNO4 HO HO. (c)

A: The question is based on the concept of organic reactions.   We have to identify the product formed…

Q: What factors affect the value of delta H(neut)? Explain each one.

A: Heat of neutralization is defined as the heat released when one equivalent of an acid is completely…

Q: . Give an example of a Lewis acid-base pair and a frustrated Lewis acid-base pair. What is the…

A:

Q: What are the products when NaBH4 and EtO react?

A: Sodium Borohydride (NaBH4) is a chemical compound composed of sodium, boron, and hydrogen. It is a…

Q: Acetic acid has a Ka value of 1.8×105, what is its Kb value? Section а. 5.6x10-10 b. 1.8×10-19 с.…

A: Given that, Ka= 1.8×10-5 Then, Kb= ?

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.