Naturally occurring boron is composed of two isotopes. The percent abundance and the mass of each isotope are listed below:

Q: I I I 1 1. BH3-THF 2. H₂O2, NaOH +

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Q: A student determined the chloride content of a commercial salt by using the Mohr method. A 0.7725 -g…

A: The titration reaction is Ag+ + Cl- = AgCl (s) Volume*Molarity = mmol Percentage of Cl- = [(mass of…

Q: The toxicity of DDT (C14H9CI5) led to a ban on its use in the United States in 1972. Determinations…

A: Molecular formula of DDT - C14H9Cl5 Molecular Mass of DDT - 354.49 g/mol Number of moles = mass of…

Q: Give (in order) the correct coefficients to balance the following equation: NH3+ O2→ NO + H2O…

A: Given-> NH3 + O2 ---> NO + H2O

Q: Calculate the concentration of C6H,O6 in an aqueous solution of 4.88x102 M ascorbic acid, H,CgH,O6…

A: If the concentration of the weak acid is C and the dissociation constant of acid is Ka , the…

Q: H-0 CH,OH (b) NH, CH, H--0=C (b) 0-H-- (a) CH, CH, CH, CH H-C CH, CH, | (d) (CH.)4–NH, (a) CH, (d)…

A: Hydrophobic Interaction: It is a type of interaction between non-polar molecules (alkyl chains) in…

Q: Part Il- Synthesized Aspirin Trial 1 Trial 2 Mass of aspirin (g) Theoretical moles Show calculations…

A: Solving for Part II - Synthesized aspirin

Q: Write the balanced chemical equation for conversion of Al(s) to KAl(SO4)2·12H2O(s) in aqueous…

A: Alum is a double salt. The chemical formula of alum is: KAl(SO4)2∙12H2O(s) Alum is used as a mordant…

Q: The pH of an aqueous solution of 0.1690 M hydrosulfuric acid, H₂S (aq), is

A: The question is based on the concept of pH of the solution.  it is defined as a negative logarithm…

Q: . H+= 1.10^-1 = PH   2.) Ph=4.93 = [H+]

A: Given here two questions as follows, 1 [H+] =1*10-1 we are asked to calculate the pH of solution. 2)…

Q: 2.2 6. (1) Define pH in words. The strong acid HCl has a pH value of 1, use the following equation…

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Q: Calculate the concentration of HS in an aqueous solution of 6.29x10-2 M hydrosulfuric acid, H₂S…

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Q: Ca2+ in a drinking water sample was analyzed by the following reactions below: Ca2+(aq) +…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Imagine that you have 4 buckets full of dark, muddy water. One bucket is frozen, one bucket is…

A: The bucket which is most likely to become lighter in color is

Q: What is the purity test of synthesized aspirin and commercial aspirin?

A: When salicylic acid reacts with acetic anhydride , Aspirin formed.  It is formed by acetylation of…

Q: If the standard reduction potential for Copper is 0.34V, calculate the reduction potential for…

A: Redox reaction are those in which both oxidation and reduction reaction occurs simultaneously.

Q: Flow Chart for the Separation of Salt, Sand, Zinc (& Charcoal) 3. Complete the Flow Chart before you…

A: Here it is given a flow chart for the separation of salt,sand,zinc .Lets see which separation…

Q: Estimate the pH of 0.010 M NaCH3CO2(aq).

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Q: No plagiarism Please! Station #6  =  HClO4 (aq) For this acid, what does the white bead…

A: For the HClO4 acid. HClO4 is an inorganic strong acid. It ionises almost completely in water.

Q: A student determined the chloride content of a commercial salt by using the Mohr method. A 0.7725 -g…

A: The no. of moles of silver nitrate can be determined as number of moles=MolarityVolume in L…

Q: A standard solution of 131 ppm Yellow 6 dye was prepared. A 12.6 mL aliquot of the stock Yellow 6…

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Q: In Analytical Chemistry, we are conducting an Absorbance Lab using CuSO4 . 5H2O . In the lab we are…

A: The molarity of the solution is already given. So we don't need to calculate the molecular weight.…

Q: (c) 1. KOH 2. acidic workup

A: Ester react with KOH to yield carboxylate salt and alcohol. Then acidic  workup to give carboxylate…

Q: H,SO, (aq) + Mg(OH), (aq) (aq) (1) + 2.

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Q: On a balance mass an amount of potassium hydrogen phthalate (KHP) needed to neutralize approximately…

A: KHP is Potassium Hydrogen Phthalate. Molarity of NaOH = 0.1M  Volume of NaOH solution. = 12 mL =…

Q: 3CuCl2·2H2O(aq)

A: Metals have zero Oxidation number and oxygen atom have -2 Oxidation number because it's gain two…

Q: Does the conductivity increase or decrease?

A: In this reaction,  Ba(OH)2 reacts with H2SO4 to form precipitate of BaSO4  Reaction is : Ba(OH)2 +…

Q: the concentration of nitrate ions in the solution at the completion of the reaction.

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Q: the reactants Sodium Carbonate and the product sodium Chloride are white solids and cannot be…

A: In a chemical reaction, some reactants are converted to the products. Sometimes, a chemical test is…

Q: (4b-401-1.53-1) An intern working in a research lab knocks over a beaker containing an important…

A: For such type of questions, we first calculate the number of moles present initially, and then after…

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.