A 50.00 mL of 0.0275 M HCl solution was titrated with 0.1500 M NaOH. Calculate the pH of the analyte solution in the specified volumes of the titrant added. a. 5 mL b. 14 mL c. 20 mL

Q: Given the following thermochemical equation: 4NH3(g) + 502(g) → 4NO(g) + 6H20(g) AH = -906 kJ…

A: Ammonia reacts with oxygen to form nitrogen oxide and water. The equation for the balanced chemical…

Q: Using the data in the table, determine the rate constant of the Trial [A] (M) [B] (M) | Rate (M/s)…

A: Given reaction: A + 2B → C + D We have to calculate the value of the rate constant for this reaction…

Q: a Calculate the pH of a solution that is 0.20 M HOCI and 0.88 M KOCI. Ka = 3.5x10-8 pH = 8.1 b In…

A:

Q: How does a balanced equation satisfy the law of conservation of mass?

A: A balanced equation demonstrates the conservation of mass by having the same number of each type of…

Q: with the choices listed below, which sublevel is filled last?     choice 1- 3d choice 2- 4s…

A: The order of filling the electron in subshell is according to the energy.

Q: Use the data given below to answer the next three questions. 2 N20 (g) + 3 02 (g) → 4 NO2 (g) AH° =…

A:

Q: When 8.7 grams of oxygen gas reacts with excess hydrogen gas in an experiment, 2 grams of water are…

A: Hydrogen reacts with oxygen to form water. The equation for the balanced chemical reaction is as…

Q: Determine the rise, run, and slope of the line formed by these points. rise: run: slope: What is the…

A: We have find out rise, run, slope and activation energy for the reaction.

Q: What is the ΔHfus of ethanol (46.06 g/mol) which has Kb of 1.99 and freezes at -117.3 °C

A:

Q: Consider the reaction: 2 HI (g) = H2 (g) + l2 (g) Kc = 7.21 If at equilibrium the reaction vessel…

A: Kc = 7.21

Q: Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 3.0 ✕ 10-6) by 0.200 M HNO3. Calculate…

A: Weak base and it's salt form buffer

Q: Buffer preparation: A 6.90 g sample of sodium nitrite (NANO2, 68.995) was dissolved in about 100. mL…

A: Given,  When 6.90 g sample of NaNO2 was dissolved in 100.0 mL of water and it is added to 500. mL of…

Q: Which of the following anions will form a weakly basic solution?   magnesium   nitrate…

A: Correct option is E

Q: If the vaccine effectiveness towards providing protection from hospitalization is 90% which of the…

A: The statement is dealing with only vaccinated people so we can ignore the options related to…

Q: The conjugate base of benzoic acid is ___________.

A: An acid after losing a proton turns into a conjugate base.

Q: Find the percent dissociation of a 0.130 M solution of a weak monoprotic acid having K 1.5 x 10 3.…

A:

Q: 3se the answer that most accurately provides the missing starting material; followed by the missing…

A: When alkyl group react with Magnesium form grignard reagent

Q: 0.336 M CH3NH3Br and 0.344 M CH3NH2 (methylamine). Determine the pH change when 0.078 mol NaOH is…

A: Buffer is prepared by weak acid or weak base with its conjugate base or acid ...

Q: [CLO-2] Which of the following changes can influence all structres (primary, secondary etc) O pH…

A: There are four levels of protein structure.    1. The sequence (order) of amino acids in a protein…

Q: How many kilojoules of energy are generated when in 82.8 grams of CO(g) reacts according to the…

A: Solution -

Q: The following reaction is spontaneous in which direction? Cr(N3)2 + 2LiF — CrF2 + 2LiN3

A: The following reaction is spontaneous in forward direction.

Q: Activity 5 More on Solubility, and LeChatelier's Principle (5a) What is the molar solubility of CaF2…

A: Answer: According to Le-chatalier's principle, when we change parameter of the system which is in…

Q: Why does the addition of bromine to fumaric acid require a high temperature for the reaction while…

A:

Q: Consider the titration of 30.0 mL of 0.315 M weak base B (Kb = 1.3 x 10⁻¹⁰) with 0.150 M HI. How…

A: At halfway point , half moles of base are neutralized by acid , HI .  So, we would calculate moles…

Q: Calculate the temperature (in kelvins) at which the sign of AG° changes from positive to negative…

A:

Q: ___________ in the soil can prevent lakes from becoming acidified due to acid rain.   sodium…

A: Limestone can be used to remove acid from the soil because in lime calcium ions can be utilized acid…

Q: The rate constant for this first-order reaction is 0.0270 s¬l at 400 °C. A → products After how many…

A: Given :-  A → products  K = 0.0270 s-1  To determine :-  How many seconds will 23.2% of the reactant…

Q: Solve this equation with the appropriate significant figures. 181.34 x 1930.4582 =

A: The given equation is - - - > 181.34 x 1930.4582 = 350069.289988 =350070

Q: 2. In both instances below, order the acids by increasing pKa a) Al(OH)3 H3ASO, HCIO3 H3PO4 B(OH)3…

A:

Q: What is the equation for the reaction of Mg(s) with CuSO4(aq)?

A: Given :- Mg(s) + CuSO4(aq) →  To complete :- above equation

Q: The temperatures at which the hydrate waters are removed from the compounds are a factor for bond…

A: A question based on molecules that is to be accomplished.

Q: How many moles of H2O are required to form 1.3L of O2 at 325K and 0.988 atm?

A:

Q: real life application of gas law script for video presentation (can't contain or encourage dangerous…

A: You can observe a real-life application of Boyle's Law when you fill your bike tires with air. When…

Q: What is the concentration of limiting reaction solution of BaCl2? 3BaCl2 (aq) + 2NaPO4 (aq) ->…

A: Given: Precipitate: Ba3(PO4)2 molar mass of Ba3(PO4)2 = 601.93 g/mol

Q: True or False: When performing calculations with dilute aqueous solutions (< 1% or 0.2 M), you can…

A:

Q: Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol…

A: -&gt;In presence of base or acid alpha hydrogen containing carbonyl compound form nucleophile.which…

Q: How many ng are there in 5.27x10-13 kg?

A:

Q: How many milliliters of diluent should be added to a 2.00 mL if aliquot taken from a mother liquor…

A: In case of dilution of any electrolyte, the number of moles (or millimoles) of the electrolyte will…

Q: What is the best stereochemical designation for the major product of the following reaction?…

A: Alcohol gives dehydration reactions when they react with a strong acid like H2SO4 or H3PO4 to form…

Q: there may be several correct answers The formation of an azo dye is possible for drugs: A. Chinozol…

A: Correct option is B.

Q: ATR works by measuring the changes that occur in an internally reflected IR beam when the beam comes…

A: We have to tell the given statement is either true or false.

Q: A battery constructed using zinc and iron has electrons flowing from zinc to iron? Which cell…

A: In a batter there are two electrodes one is anode and other is cathode. At anode always oxidation…

Q: The pH curve generated by titrating phosphoric acid with sodium hydroxide will have _________…

A: Basicity of acid is  equal to equivalence point.

Q: Question 19 of 20 Submit Calculate the pH when 59.0 mL of 0.250M HCI is mixed with 40.0 mL of 0.150…

A: Given,  When 59.0 mL of 0.250 M HCl mixed with 40.0 mL of 0.150 M Ca(OH) 2 the resulting solution pH…

Q: Hydrogen peroxide releases oxygen gas on decomposition: 2 H202 (1) --> 2 H20 (1) + O2 (g) ΔΗ - 196.1…

A: Given, 2H2O2(l) ➝ 2H2O(l)  + O2(g)  ∆Hrxn = -196.1 kJ mass of H2O2 decomposes = 652 g amount of heat…

Q: tructure corresponding to each name: (a) N-m ethylaniline; (d) N,N-diethylaniline.

A:

Q: For the reaction CH4(9) + H20(9)3H2(g) + CO(g) AH° = 206.1 kJ and AS° = 214.7 J/K The standard free…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: 6. Arrange the following atoms in order of decreasing size-la atoms are in their ground states.) a.…

A:

Q: For each of the following equations, identify the Brønsted-Lowry acid and base for the forward…

A: Given reactions are, a) H2PO3- (aq) + 2 OH- (aq)→   PO33- (aq) + 2 H2O (l) b) 3 NaOH (aq) + H3PO3…

Q: d. The hemiacetal racemizes readily in basic solution HO Hi OH ОН

A:

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.