O Other Boc (EOC) [References] Consider 45.0 mL of a solution of weak acid HA (K water must be added to make the pH = 5.250? = 1.40 x 10), which has a pH of 4.250. What volume of Volume = Submit Answer Try Another Version 4 item attempts remaining
Q: The rate law for the reaction 2NO(g) + Cl,(g) - 2NOCI(g) is given by R = k[NO][C2] If the following ...
A:
Q: How many grams of Cs are there in a Sample of Cs that contains the same number of moles as a 52.8 gr...
A: Here we have to find the mass caesium(Cs) are there in a sample of Cs that contains the same number ...
Q: A sample of helium gas at a pressure of 786 mm Hg and a temperature of 26 °C, occupies a volume of 6...
A: Given :- Initial temperature (T1) = 26°C Initial volume (V1) = 6.59 L Final temperature (T2) = -6...
Q: Question 7 The cell notation for the Galvanic cell is A(s)/A²*/B2(s)/B¯ The Standard Reduction Poten...
A:
Q: 3. Fill in the boxes for the 2 products below AI H
A:
Q: 3. Calculate the amount of aluminum nitrate (Al(NO3)3)and magnesium nitrate (Mg(N03)2) salts require...
A: Given, 2Al(NO3)3 + Mg(NO3)2 + 8NH4OH ➝ MgAl2O4 + 8NH4NO3 + 4H2O Mass of magnesium aluminate spinel...
Q: The equilibrium constant Kc for the reaction fructose-1,6-diphosphate = glyceraldehyde-3-phosphate +...
A: Solution -
Q: What is the pH of a buffer prepared by mixing 100 mL 0.050 mM NaH2PO4 and 25 mL 0.075 mM Na2HPO4? (p...
A: Given, Millimolarity of NaH2PO4 = 0.050 mM Volume of NaH2PO4 in mL = 100 mL Millimolarity of Na2H...
Q: . Convert 45000 mg/L of NaCl to molar concentration of NaCI. AW Na = 23 ; CI = 35.45
A:
Q: 5.56 Consider the following reaction: 6 NiO(s) + 4 CIF;(g) → 6 NiF2(s) + 2 Cl2(g) + 3 O2(g) What mas...
A: Given data for ClF3 : Pressure = 250 torr Volume = 2.5 L Temperature = 20°C
Q: Calculate the number of moles of Cl- ions in 1.75 L of 1.2 *10-3 M ZnCl2.
A: The number of moles of chloride ion in ZnCl2 is double the number of moles of ZnCl2 .
Q: 1. In the colorimetric meth9od for chloride determination what is the end product measured following...
A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...
Q: 50.00 mL of a solution containing 0.15 M CH2 (CO2 H)2 and 0.020 M MnSO4·H2O Calculate the mass of m...
A: Mass of manganous sulfate monohydrate will be calculated from its number of moles.
Q: The acid ionization constant for Pb(H20)62+(aq) is 6.3×10-7. Calculate the pH of a 0.0307 M solution...
A:
Q: Would an organic liquid with a density of 1.006 g/mL make a good extraction solvent? Explain.
A: Density is very important characteristic to keep in mind while choosing the solvent for extraction p...
Q: 7. Copper and tin are commonly used in household plumbing applications. Explain why these are the me...
A: The answer is as follows:
Q: Salts of hypoiodite ion behave as a weak base, undergoing hydrolysis in water according to the equat...
A: Given Reaction:- IO- + H2O <----------> HIO + OH- Kh = 0.00044 Kh = [HIO ] [ OH- ] / [ IO...
Q: Instructions: Fill in the blanks the number of atomic mass, atomic number, # of neutrons, and # of e...
A:
Q: BF3 (9) + F¯(aqg) → BF4 (aq) Acid: Base:
A: BF3 is acting as a lewis acid in the reaction because a lewis acid is one that accepts a pair of el...
Q: For the hydrolysis reaction of a nitrile with H30+, H30+, which of the following is produced interme...
A: the hydrolysis of nitriles under acidic conditions to make carboxylic acids or their salts while a...
Q: Give the organic product: „CO,H Heat B C D COH Select one: A
A: Here, in this case, 4n+2πe- system, so here Diels-Alder reaction takes place. Now, in this case, due...
Q: How much work, w, must be done on a system to decrease its volume from 15.0 L to 7.0 L by exerting a...
A: Given :- initial volume = 15.0 L final volume = 7.0 L pressure = 3.0 atm To calculate :- work d...
Q: For each system listed in the first column of the table below, decide (if possible) whether the chan...
A: Entropy is basically the measure of randomness. In solids constituent particles are well arranged an...
Q: Select all of the following elements that are categorized as non-metals. OA. Ag O B. K O C.B O D.S O...
A: Non metals : These are the elements which are placed to right corner of the periodic table and have ...
Q: Write the equilibrium expression of the following chemical reactions: 1. N2O4(g) ⇌ NO2(g) 2. H2O(l...
A:
Q: Question 3 Which of the following statement/s is/are TRUE? I. The Arrhenius Theory cannot be applied...
A: Strong electrolytes are completely dissociated in water where as weak electrolytes are partially sol...
Q: The molar conductivity at infinite dilution of hydrochloric acid, sodium benzoate, & sodium chloride...
A:
Q: 20.0 grams of Sodium hydroxide was dissolved in water up to 500 mL. Calculate the Normality of the s...
A:
Q: The pH of an aqueous solution of 0.255 M hydrosulfuric acid, H2S (aq), is
A:
Q: 2. The concentration of of ozone (O3) in Beijing on a summer day (P = 101.325 kPa ; T = 30°C) is 125...
A:
Q: QUESTION 1 A commercial vinegar is analyzed for the percent acetic acid present. The data for the fi...
A: Volume of NaOH = (initial Buret reading) - (final Buret reading) Volume of NaOH = (25.40 mL) - (3.70...
Q: At what point in the titration have you reached when 40.0 mL of 0.250 M KOH has been added to 45.0 m...
A: Answer: This question is based on acid-base titration in which we have to find out, at which point o...
Q: In the laboratory a student measures the percent ionization of a 0.487 M solution of acetylsalicylic...
A:
Q: The data below were determined for the reaction shown below. S2082- + 31- (aq) → 28042- + 13 [S2Og²-...
A: rate law is an expression which is used to relate the rate of reaction with rate constant and the m...
Q: 0.361 g of an unknown liquid occupied a volume of 250.0 mL at 758 mm Hg pressure and 100 °C. What is...
A:
Q: The pH of a 0.10 M solution of formic acid, HCHO2, is 2.38. a. Write the acid dissociation reaction ...
A: Given, The pH of a 0.10 M solution of formic acid, HCHO2, is 2.38. The acid dissociation reaction f...
Q: Complete the synthesis in 6 steps or less. You may use any reagents. OH Br HO
A:
Q: What is the pH of 0.78 HClO4? 3. Convert 1800 ppm of CuSO4 in percent by mass of CuSO4
A:
Q: [COC14]¯ (alc) + 6H,O(alc) [Co(H,O),J?+ (alc) + 4C1¯(alc) deep blue rose pink
A: Exothermic: Heat is evolved. This is when product is more stable than the reactant Endothermic: He...
Q: (H20)%*(aq) + 3SCN¯(aq)= Ni(SCN)5 (aq) + 6H20(1) (a) Write the Kc expression for this equilibrium. (...
A:
Q: Either the reactant (X) or the major organic product is missing from the equation below. Draw the mi...
A: Pd/C will reduce alkenes to alkanes when hydrogen is also present. It’s important to note that the t...
Q: The equilibrium constant Kc for the reaction fructose-1,6-diphosphate = glyceraldehyde-3-phosphate +...
A:
Q: At 3000 K, the partial pressures of A, B and C are 0.6, 0.4 and 0.2 atm, respectively. Calculate a G...
A: Given data, at 3000 K , PA=0.6 atm , PB=0.4 atm, PC=0.2 atm ∆G°=?
Q: 20.0 grams of Sodium hydroxide was dissolved in water up to 500 mL. Calculate the Formality of the s...
A:
Q: 2. Why does the temperature of a mixture of ice and water remain constant during melting and freezin...
A: At melting point of ice, the heat is consumed as 'latent heat' i.e heat used for breaking intermolec...
Q: When 2.00 moles of nitrogen gas and 3.00 moles of oxygen gas were combined in a 4.0 L cylinder (at 3...
A: Number of moles of nitrogen gas = 2 moles Number of moles of oxygen gas = 3 moles Volume of cylinder...
Q: At a certain temperature, the equilibrium constant K for the following reaction is 0.0096 : N,(g) + ...
A: 1). Given reaction : N2 (g) + O2 (g) →2NO (g) Equilibrium constant K = 0.0096 Here, K is very small...
Q: Help appreciated
A:
Q: HNO3+KOH= KNO3+H2O HCl+ Ca(OH)2= CaCl2+H2O FOR THE REACTIONS ABOVE, HOW MANY MOLES OF THE BASE ARE R...
A: 1).Balanced Reaction : HNO3 + KOH → KNO3 + H2O
Q: A buffer solution contains 0.385 M ammonium chloride and 0.444 M ammonia. If 0.0433 moles of hydrobr...
A: Kb for NH3 = 1.8×10-5
![OOther Boc
(EOC)
[References]
Consider 45.0 mL of a solution of weak acid HA (K.
water must be added to make the pH = 5.250?
= 1.40 x 10), which has a pH of 4.250. What volume of
%3D
Volume =
Submit Answer
Try Another Version
4 item attempts remaining](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5cf8df70-8843-4426-b1f2-9de64e466312%2F02e8ed99-1a0e-4dd0-8465-368debef0529%2Fvzxspdu_processed.jpeg&w=3840&q=75)
Step by step
Solved in 3 steps with 2 images
- What is the pH of the solution after mixing 0.171 g of Mg(OH)2 (MW=58.321 g/mol) with 68.9 mL of 0.0569 M HCl? The resulting solution was diluted to 100 mL. Round your calculated value for pH to two figures to the right of the decimal point.At 90 C , Kw is about 10-13, what is the pH under these conditions?The pH for 0.050 M CH3NH2 (Kb for CH3NH2 = 4.0 X 10^-4 )?
- A solution is prepared at 25\deg C that is initially 0.22M in nitrous acid HNO2, a weak acid with = Ka\times 4.510-4, and 0.049M in potassium nitrite KNO2. Calculate the pH of the solution.You notice that the water in a friend's swimming pool is cloudy and that the pool walls are discolored at the waterline. A quick test shows that the pH of the water is 8.0 when it should be 7.2 The pool is 5 m wide, 12 m long, and has a depth of 2 meters. What volume in mL of 5.00 wt% sulfuric acid (SG = 1.03) should be added to return the pool to the desired pH?Given that log Kso for Zr(OH)4(s) is 10-54.1, at what pH would the maximum concentration of Zr4+(aq) be 10-3 M?
- For part, b would the calculations be the same for NO3^- (aq) and CO^2+ (aq), meaning those species PH would also equal 0?1. a. A 250.0ml of a solution of the strong base, CsOH(MW = 150.0 g/mole) is made. The pH is measured to be 8.90. What mass of cesium hydroxide is present in the solution? b. The surface of Venus is quite inhospitable with an average temperature of 450 ̊C and a pressure of 92 atm (earth). Under these delightful conditions, the pKw of water is estimated to be 24. What is the pH of neutral water on Venus? c. An aqueous acetic acid (HOAc) solution is 1.00 % dissociated. What will the concentration of H3O+ be if 0.82 g of sodium acetate (NaO2C2H3) is added to 100.mL of solution? d. PICTURE ATTACHED Glutaric Acid is a diprotic organic acid with a molecular formula of H2C5H6O4, and a molecular weight of 132.12 g/mol. The stepwise acid dissociation reactions and the Ka values are given below. An aqueous solution is prepared by dissolving 1.02 g of glutaric acid in water to form 500.0 ml of solution. Calculate the pH, [H2C5H6O4], [HC5H6O4–], and[C5H6O42–] after the solution has reached…Could someone Please help with this! No plagirism Please! Station #7 = H2SO3 (aq) For this acid, what does the white bead represent?________ blue bead? __________ 3rd Color Bead? _________ Why are there two blue beads attached to each 3rd colored bead? Do all the H+ ionize from the A–1 ion at one time? How do you know? Record your observations in the particulate drawing. How many acid molecules have broken into ions? Determine the % ionization for the acid. Write the ionization reaction for this acid. ________ ↔ ______ + _______
- For a 0.0448 M aqueous solution of aniline, C6H5NH2 (Kb = 7.4E-10), determine the following. Kw = 1.0E-14. a. What is the concentration of OH-? b. Find the pH.Hydroxylamine, HONH2, readily forms salts such as hydroxylamine hydrochloride which are used as antioxidants in soaps. Hydroxylamine has Kb of 9.1 × 10–9. What is the pH of a 0.054 M HONH2 solution? Please report 2 decimal places.Ammonia, a weak base with a Kb value of 1.8 x 10^-5 (a) What is the pH of a 0.155 mol L^-1 ammonia solution? (b) What is the percent ionization of ammonia at this concentration?