A solution made with 0.140 moles of phosporic acid (H3PO4), dissolved in 194 mL of solution, was titrated with 1.320 M NaOH. How many mL of NaOH solution are necessary to reach a pH of 7.062?

Q: 2.00 grams of Sodium hydroxide was dissolved in water up to 500 mL. Calculate the : Normality of the...

A: Solution -

Q: 2. A 0.20 M lactic acid (HC3H5O3) solution has a pH of 2.28. Calculate the acid-dissociation constan...

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Q: The ammonia from a 600.0 mg organic sample is distilled into 50.00 mL of 0.1042 M HCI and 11.28 mL o...

A: Given data,Mass of organic sample=600mg=0.600gMolarity of HCl=0.1042MVolume of HCl=50mL=0.050LMolari...

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A: Given:-  Mass of Potassium hydrogen phthalate  = 0.1000g  Molar mass of Potassium hydrogen phthalate...

Q: 0.02 M NaOH reagent was standardized using 0.1000 g Potassium hydrogen phthalate (204.22 g/mol) and ...

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Q: Question 6 The equilibrium constant Kc for the reaction fructose-1,6-diphosphate = glyceraldehyde-3-...

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Q: If 55.0 mL of a 0.25M solution of Mg(OH)2 is spilt on the floor, what volume, in mL, of 0.15M HBr  i...

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Q: a. Alcohol b. Sea water c. Water d. Mercury e. Dead Sea f. Acetone Among those choices, which one ha...

A: Intramolecular forces are the forces that hold atoms together within a molecule. Intermolecular forc...

Q: How many isomeric ethers exist that contain C2 and C4 alkyl groups?  three   five   four   no corre...

A: Ethers have two hydrocarbon groups bonded to an oxygen.

Q: The following visualization methods involve chemical reaction EXCEPT: a. Iodine Chamber b. Vanillin-...

A: Answer - The correct option is -  a. Iodine Chamber  Explanation - According to the given question ...

Q: (c) Outline the mechanism for the bromination of 3-methylcyclobutene.

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Q: 22  An aqueous solution was prepared by dissolving 2.11 g of NaCl in enough water to make 1500. mL ...

A: The calculation of molarity of the solution in the solution is given below

Q: equilibrium

A: In this question we have to explain why the molar solubility for the pure Ca(OH)2 solution differs f...

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Q: What is the pH of a 0.069 M weak acid solution. K, for the weak acid is 5.4x10-6.

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Q: The pH of an aqueous solution of 0.377 M triethylamine (a weak base with the formula (C2H5)3N) is

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Q: Reorder the following steps to the correct order of preparing a buffer.                            ...

A: ANS. Correct order of preparing a buffer is as follows:- 1. Calculate the mass required to prepare a...

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Q: Provide the answers with proper number of significant figures in the following operations. pls provi...

A: We know the default base of logarithm is 10.  To find the antilog we need to divide the given number...

Q: Compute the empherical formula of the following: a. 19.16 Sn and 80.9% I b. 25.9% Fe and 74.1% Br

A: With the help of percentage of composition of elements and their atomic masses we can determine the ...

Q: 1. Using the equation E + S ⇆ ES → E + P, supply reaction involved in the experiment... 2.  How did ...

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

Q: .543-g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat cap...

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Q: 4. Propose an efficient synthesis of 2-cyano-1-cyclopentanol from cyclopentene.

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Q: 2.48 The molar heat capacity of for temperatures in the range 300 to erate pressures can be approxim...

A: Number of moles = 2.00mol  Gas constant, R = 1.987cal/molK

Q: Describe all of the intermolecular forces Carbon dioxide would experience. Justify your answer using...

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Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 126. kJ during a ce...

A: Solution                                          Given that  Enthalpy is decreased = 126 kj Work do...

Q: 2. Assign E or Z configuration to each of the following alkenes: la) HOCH, CH3 (b) HO2C OCH le NC CH...

A: Alkenes can be defined as the organic compounds that contain carbon carbon double bonds.

Q: The electron has a polarity: a) positive b) negative c) Positive or negative depending on the mediu...

A:  polar molecule arises when one of the atoms exerts a stronger attractive force on the electrons in ...

Q: boiling point

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Q: What solvent would you use to differentiate compound A from compound B? Compound A Compound B CH3CCH...

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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: 1. CO,+H,0 II. CH3-CH-O-CH2-CH3 25 °C OOH CH;CH,OCH,CH3 + O2 (slow) II. CH3-CH2-0-CH2-CH2-0OH IV. CH...

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Q: e stable or le

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Q: The cell notation for the Galvanic cell is A(s)/A²*/B2(s)/B¯ The Standard Reduction Potential are as...

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Q: How many atoms does oxygen have in one mole of oxygen? 6.6 6.02E-23 3.14E-23 2.2

A: How many atoms  are present in one mole of oxygen  Solution is given below in next step   

Q: How many pounds will 1 cubic foot of cork weigh if one cubic centimeters weighs 0.25 grams?

A: Given, Note: 1 cubic foot = 1 ft3 1 cubic centimetre = 1 cm3  

Q: What is the hydronium and hydroxide ion concentration of pure water at 100°C? (Kw = 49 x 10-14) a. [...

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Q: Whic‎h of the follo‎wing are eq‎uivalent to 2,5‎00 ppm Cu2+? (There may be more than one answer) MW...

A: Given data 2500 ppm equal to  

Q: The chemical formula for strontium sulfide is SrS. A chemist determined by measurements that 0.070 m...

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Q: Question 7 The cell notation for the Galvanic cell is A(SYA²*/B2(s)/B¯ The Standard Reduction Potent...

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Q: 1.Give the mechanism and products for the reaction below. Hcat.) + IZ

A: We have to give the product with mechanism. Here initially protonation of aldehyde group occurs by t...

Q: Which one has the Highest vapor pressure? Lowest IMF? Why? a. Alcohol b. Sea water c. Water d. Mercu...

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Q: 1. In an experiment with an unknown complex [M(en)s]*, how would you know whether or not your resolv...

A: As per bartleyby guidelines i answered only first question so please don't mind and post other quest...

Q: Show the complete step on how to derive the balanced net ionic equation of Limestone in the presence...

A: Calcium carbonate decomposes into calcium ions and hydrogen carbonate ions when it is dissolved in w...

Q: 1. Ikaite, CAC03•6H,0(ik), is a hydrated calcium carbonate mineral that forms in Mono Lake, Californ...

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Q: 33 On the following reactions: MnO4− + I− → MnO4− + IO4−, which is the oxidizing agent? Select one: ...

A: MnO4- + I- → MnO2 + IO4- In this given recation, MnO-4 is reduced and I- is oxidised.

Q: A 9.58 L balloon under standard atmospheric pressure and temperature is taken on an airplane to a he...

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Q: /11nthe folkwing chart with the pressuns os the uluime Changes Stept Calcukre re picduct of the olum...

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Q: paper chromatography

A: In this question we have to explain that the arrangement of the above compounds in increasing Rf if ...