An aqueous stock solution is 85.0% H3PO4 by mass and its density is 1.69 g/mL. What volume of this solution is required to make 1.25 L of 2.55 mol/L H3PO4(aq)?

Q: In water, Na AsO dissociates into Nat and AsO ³. AsO ³ is a polybasic ion and ionizes in water. If…

A: Given thatMass of Na3AsO4 = 40.00 gmolecular weight of Na3AsO4 = 207.89 g/molnumber of moles of…

Q: The enzyme that catalyzes the following reaction belongs to which class? 0 بنا - منذ O Lyase…

A: Here we can see that in the compound only the functional group --OH converts into ketone. Thus we…

Q: Part D

A: The cis and trans isomers are called as geometric isomers. If both the substituents are present on…

Q: Consider the following elementary reaction: CFC1₂(g) → CFC1₂(g) +C1(g) Suppose we let k₁ stand for…

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Q: What is the percent phosphorus by mass in diphosphorus pentoxide?

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: explain the reason why you decided to rank them in the order that you did

A: The question is based on the concept of IR spectroscopy. We need to rank the carbonyl stretching…

Q: For the reaction below, Kc = 4.60 × 10⁻⁶. Note Kc is sometimes called K. What is the equilibrium…

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Q: WHERE u wrote substitute is that 100 x 1 so do u dot to represent multiplication

A: The ratio of these two states at pH 6.3 can be calculated using the Henderson-Hasselbalch…

Q: What is the E-factor for a synthesis that uses a 8.00 kg reaction mixture to generate 6.00 kg of…

A: The parameter used to determine the mass of waste produced per mass of the product in the chemical…

Q: 3- Complete the following table: ELEMENT ATOMIC PROTON MASS NUMBER Fe+3 0-2 9 NEUTRON NUMBER…

A: Given question related to the calculation of number of protons, electrons and neutrons in the given…

Q: A student ran the following reaction in the laboratory at 682 K: H₂(g) + 12 (9) 2HI(g) When she…

A: The relation between the concentrations of products and reactants is related by a term known as…

Q: Draw the initiation, propagation, and one termination step for the radical bromination of 2-…

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Q: Consider the following elementary reaction: 2 NO ₂(g) →→ NO ₂(g) +NO(g) Suppose we let ₁ stand for…

A: The given chemical reaction is .The rate constant of the reaction is k1 and the rate constant of…

Q: Label all of the chiral centers as R or S for Prograf (immunosuppressant).

A: We have to identify all the stereogenic centers.

Q: Cyclohexane structures can have two chair conformations. Draw the alternate conformation of the…

A: In this question, we will draw the chair flip structure for the given compound.The name of given…

Q: Check the box under each compound that exists as a pair of cis/trans isomers. If none of them do,…

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Q: 15.4 (a) Draw the structures of the species that correspond to each peak A-E in the following mass…

A: Mass spectrometry is useful to determine the structure and fragments of the molecules.Base peak – It…

Q: Which of the indicated hydrogens is pro-R? - H НО .... || Н NH₂ ОН A) I B) II

A: This problem is based on prochirality. To find the prochirality we have to substitute the H1 by H2…

Q: Draw the products and necessary reagents of the three step retrosynthetic reaction sequence shown…

A: Retrosynthesis is a strategy used in organic chemistry to design synthetic routes for the production…

Q: 6. Two reagents that will oxidize Pb(s) to Pb2+ (aq) but that will not oxidize l'(aq) to 12. (s) are…

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Q: 1. How are covalent bonds formed? What type(s) of elements form covalent bonds?

A: Since you have posted multiple question, we will solve the 1st question according to Q &A…

Q: In the following reaction, which element in what species is reduced? Zn (s) + 2 HCI (aq) → ZnCl₂…

A: Answer:When in a chemical reaction, both oxidation and reduction takes place simultaneously then…

Q: Which of the reactions shown below are correct? 0 0 0 Ph H CH3 1.) LDA 2.) CH3CH₂Br 1.) Na OEt 2.)…

A: Carbonyl compounds show the characteristic reaction at -position. Alpha position is acidic in…

Q: Build trans-1,4-dichlorocyclohexane of chair form. Build cis-1,4-dichlorocyclohexanes of chair form.…

A: Greater the 1,3-diaxial interaction less will be the stability of cyclohexane drivative

Q: 1. Draw all of the possible chair conformations for 1,3-dihydroxycyclohexane. identify cis and trans…

A: ll

Q: What is the molar solubility of CaF2(s) (Ksp -3.9 x 10-11) in a 0.300 M CaCl2 solution? O 2.80x104 M…

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Q: What is the de Broglie wavelength of a Pb-208 ion (in pm) traveling at one one-millionth the speed…

A: mass of Pb = 208amu (as shown ) velocity =

Q: What is the IUPAC name of the following molecule? 1-cyclohexyl-1,3,4-trimethyl-(1Z,3E)-1,3-hexadiene…

A: Identify the parent chain: The longest chain serves as a parent chain.Number the parent chain:…

Q: information about (diphenylfulgide and tetraphenylfulgide )

A: Answer :---- Diphenylfulgide :- Here, it is a chemical compound and it is known for its photochromic…

Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature k…

A: Initial rate constant Final rate constant Initial temperature Final temperature Activation energy of…

Q: How much aluminum can be produced from 1.50 ton of Al2O3?

A: The molar mass of aluminum is = 26.981539The molar mass of oxygen is = 15.999 g/molThe molar mass of…

Q: Identify the neutral form and its conjugate acid/base for both as well. Identify the most polar…

A: Given are structures of Sudan Blue 35 and Neutral Red in their neutral form.To draw:Structure of…

Q: 2.5 Pg. 1/4 Propose a mechanism that also explains the stereochemistry for the reaction in Question…

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Q: Draw the minimum energy conformer for cis-(1-tert-butyl)-3-ethylcyclohexane. 2) Draw a Newman…

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Q: which is NOT appropriate for lab and why not?  chemical resistant goggles, eyeglasses, or  safety…

A: In a laboratory work everyone should wear personal protective equipment (PPE) for safety purpose…

Q: How many millilitres of 2.17 mol L−1 KOH(aq) are required to completely neutralize 46.3 mL of 1.81…

A: A reaction in which acid and base react with each other and form salt and water as products is…

Q: The element represented by the orbital filling diagram below will most likely!…

A: Given here the electronic configuration of an element and we are asked the nature of that element.

Q: For the following acid-base reaction, which statement is true taking AS into consideration? + NaH →…

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Q: 2) Draw the skeletal structures that correspond to the following systematic (IUPAC) names. coord a)…

A: Given are IUPAC names of organic compounds.We can find out structures from IUPAC names, first…

Q: t 10 degrees celsius the theory's law constant for o2 is 1.7x10^-3 mulls/atm. what is the moral…

A: In the given question we have to calculate the molar concentration of O2 dissolved in water. Henry's…

Q: A chemist must dilute 78.3 mL of 9.91 mM aqueous calcium sulfate (CaSO4) solution until the…

A: For dilution, we can use the formula:Here, M1 = molarity of the original solutionV1 = volume of the…

Q: The overall reaction A+D=B+2E takes place in two steps: STEP 1 (slow): A→B+C STEP 2 (fast): C+D=2E…

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Q: Draw one valid resonance intermediate for the following benzyl cation.

A: Benzyl cationTo find: resonance intermediate for the benzyl cationResonance intermediate also…

Q: Calculate the pH and percent ionization of a 0.890 M HNO₂ solution. Note: Reference the K, of acids…

A: Given,Molarity of HNO2 = 0.890 MFrom the reference,      Ka = 4.5 x 10-4

Q: Which of the following molecules are chiral and which are achiral? Cl CH3CHBr Cl CICH₂CH₂Br H CH3…

A: The molecule that are marked with four different groups, those are attached to the tetrahedral…

Q: For the complete redox reaction given, 4Fe + 302 -> 2 Fe203 what is the oxidation half reaction?

A: When an element or an atom present as a reactant changes its oxidation state to positive units on…

Q: Write the balanced chemical reaction, including phase labels, for this reaction: "solid potassium…

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Q: A) Draw the corresponding Newman projections of each molecule below B) Determine if the Newman…

A: ll

Q: What volume in milliliters of 0.0170 M Ba(OH), is required to neutralize 55.0 mL of 0.0500 M HCI?

A: We have to calculate the volume of Ba(OH)2 required to neutralize 0.0500 M HCl.Given: volume of HCl…

Q: Draw the following structure and next to it draw its enantiomer. Remember, dots and wedges are…

A: Enantiomer