Given: 2L Distilled Water 500mg Ascorbic Acid Tablet To answer: 1. Find the amount of distilled water to create a 7.5% m/v stock solution. 2. Find the amount of ascorbic acid tablet to create a  7.5% m/v stock solution. 3. Dilute it to 5.9% m/v, 75mL.

Q: The change in frequency produced by the Doppler shift when a sound source of frequency f is moving w...

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Q: 4.Draw the major product for the following reaction: PCC 2-hexanol CH2CI2

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Q: N· H3C CH3 ČH3 IZ

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Q: For which mechanisms - S1, S 2, E1, or E2 is the mechanism concerted? Select all that apply. O Sx1 E...

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Q: QUESTION 2 The decomposition process of peroxyacetyl nitrate, PAN is a first order reaction with a h...

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Q: 3.) Treatment of but-2-yne with NCS affords an interesting molecule with two methoxy groups and two ...

A: Solution.                                  We know that Here 2-butyne reaction first with N-Chlorosu...

Q: A mixture of krypton and hydrogen gas is compressed from a volume of 49.0 L to a volume of 36.0 L, w...

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Q: Brantley needs to determine if an alcohol is secondary or tertiary. Which reagent should she use? ch...

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

Q: TMS TMS Me2CuLi H H Me., Me Et20 Me., Ме Ме со-Ме CO,Me

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Q: How many grams are in 0.743 mol of Al? Express your answer to three significant figures.

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Q: Molnupiravir, shown below, is an anti-viral medication used to treat COVID-19. HO OH HN- Но The appr...

A: carbon having 4 sigma bonds in its surrounding is sp3 hybridized  carbon having 3 sigma bonds in its...

Q: 100 ° C,   Br2(g) + Cl2(g) ⇌ 2BrCl(g)   the equilibrium concentrations of the reactants were found ...

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Q: Which of the following statements is true? A) When a nonvolatile solute is added to a solvent, the s...

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Q: b) The equilibrium constants of K2 and K3 are given in the following equations. Determine the equili...

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Q: At room temperature, an increase in the number of moles of gas as the reaction goes from reactants t...

A: Number of moles of gas increases when reaction goes from reactant to product....

Q: How many grams are in 7.22 mol of HF? Express your answer to three significant figures.

A: We would use molar mass of HF to calculate mass in grams in given moles of HF.   

Q: The molecule shown below is a naturally occurring organic molecule that has antibiotic activity. How...

A: A chirality center is a carbon attached to four different atoms/groups.   

Q: Forward synthesis of 1-pentyne: Na*H- H-C C: CI H-C=C-H + H, target compound Now it's your turn to p...

A: Addition of HOCl to alkene gives halohydrin Reduction of alkyne in the presence of Lindlar catalyst ...

Q: -OH is the functional group of and is called a group. carboxylic acids, hydroxyl alcohols, hydroxyl ...

A: The organic compound is formed by two main elements, carbon, and hydrogen. The specific group of ato...

Q: 3. For the reaction 2NO (g) +2 H2↔ 2 H2O (g) + N2 (g) a. Write the equilibrium expression for the re...

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Q: Draw the constitutional isomer formed in the following reaction. Br2 CH2 H,0 draw structure ...

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Q: b. Explain with balanced chemical equation, If 3.0 mole BaCl2 react with 2.0 moles of sodium phospha...

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Q: The following question(s) refer to the same titration: a 50.00 mL sample of 0.0950 M acetic acid (Ka...

A: Answer: This is the question based on acid-base titration in which acid is being titrated against ba...

Q: Benzoic acid and water were added to the test tube labeled "b.a." After stirring the mixture, sodium...

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Q: Which of the statements about the hydrogenation reaction of alkenes A and B below is/are true? H2 A ...

A: More the number of alpha Hydrogen less is the heat of hydrogenation. Alpha hydrogen are present on t...

Q: temperature (in

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Q: You obtain a 0.0750 M solution of Ba(OH) 2; Ba(OH) 2 => Ba^ 2+ + 2 OH What is the concentration of O...

A: Barium hydroxide is a basic substance and it breaks into barium ion and hydroxide ions when dissolve...

Q: . Diethyl amine, (CH3)2NH, has a Kb of 5.81x10-4 at 25 C a. Write the dissociation reaction b. Calc...

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Q: Which of the following will result in an acidic solution when dissolved in water?   CaF2 PbCl2 Na3PO...

A: Acidic solutions are the ones in which there is the formation of cationic species in product.

Q: For the cell represented as Al(s)∣Al3+ (aq)∥Sn2+ (aq), Sn4+ (aq)∣Pt(s), how many electrons are trans...

A: We would first write reduction half reaction and oxidation half reaction.  From this we can check nu...

Q: What would be the order of elution if one separated the three compounds from base/base extraction (3...

A: Given  3 Compounds 3-nitrotoluic acid, 2-naphthol and 1,4-dimethoxybenzene Method of seperation = ...

Q: What is the pH of a solution what is formed when 0.035M HCl(aq) is mixed with 0.045M HBr(aq)?

A: Given that, [HCl]= 0.035 M  [HBr]= 0.045 M  pH of the solution = ? 

Q: 5. A compound with the following 'H NMR spectrum has a molecular formula of C6H11N, from the data ho...

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Q: Find the uncertainty ox in x as a function of the uncertainties ou and oy in u and v for the followi...

A: Solution.                       Given that (a) x = 1/2(u + v) (b) x = uv^2 (c) x = u^2+v^2    

Q: 13. Imaginary element mccourtium has an average atomic mass of 157.22 u. The atomic masses and % abu...

A: Determine--  a) % abundance of Mc-158  b) Atomic mass of Mc-158   

Q: a. How many grams of dry NH4CI need to be added to 2.40 L of a 0.300 M solution of ammonia, NH3, to ...

A: A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate ba...

Q: If the same amount of energy in the form of heat is added to 5.00g samples of each of the metals bel...

A: Specific heat capacity is defined as the amount of heat required to raised the temeperature of 1kg s...

Q: TMS n-Bu4N+ F, KF H МеCN Ме., Me.,, 80 °C, 2 h Me Me Me Me

A: In this reaction F- has given . And we knew that floride and silicon bond are very strong bond . So ...

Q: Calculate the effective nuclear charge for the outermost electron in an atom of calcium. Show your w...

A: Calculation of effective nuclear charge of Calcium ?

Q: Silver chloride has Ksp = 1.8 × 10−10. What is its molar solubility in water?   a. 9.5 × 10−6 M  ...

A: Given data is as follows: The solubility product of silver chloride Ksp=1.8×10-10 The molar solubili...

Q: Кey: reaction: CO Fe + CO2 Fe,0, + = Fe CO

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Q: Three titration trials were performed and three molar concentrations of NaOH were calculated. The th...

A: We would use formula to calculate standard deviation . 

Q: Consider the same 1.0 M solution of H2A (Ka1 = 1 x 10-6 and K22 = 1 x 10-1 What is the concentration...

A: The concentration is taken same ie 1 molar in each case ie H2A and HA-.

Q: pH of this at 0.033

A: In this question we have to calculate the pH of at 0.033 M.

Q: ) You are given an aqueous solution contaminated with the following molecule. Decide if you would us...

A: Given Compound  Solvents for extraction = Diethyl ether and water

Q: QUESTION 7 0.9699 moles of NaOH and 24.93 mL of the same NaOH solution are used during a titration. ...

A: Since you have posted multiple questions so I am solving first one for you.if you want to be solved ...

Q: A sample of 7.50 mol of gas in a 10.00 L container is at 45.0 °C. What is the pressure of the gas?

A: We would Calculate pressure of the gas using ideal gas equation. 

Q: Complete and balance the following half-reaction in acidic solution: H₂SO₃(aq)→SO₄²⁻(aq)

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Q: Me ^CO2Me Ме CO2ME 1,4-Benzoquinone, Pd(OAc)2 H Ме., МеCN Me.,, -OTMS RT, 6 h, 80% (2 steps) See the...

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Q: At a certain temperature the vapor pressure of pure water is measured to be 246. mmHg. Suppose a sol...

A: Vapour pressure of pure water = 246 mmHg  Mass of water = 120 g  Mass of acetone = 93.5 g