A food supplement in super market claims that in 2.5 g of that we will get 1.67% of vitamin C. Determine how many grams of vitamin C is there in the food supplement. What will be its concentration in molarity if the food supplement is dissolved in 20ml of water?

Q: Q12- At pH=7.89 A) [H₂L]=[L²] B) [HL]=[H₂L] C) [H₂L]> [HL] D) [L²] = [HL]

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Q: ▼ Part A - Solution 1 After being given a solution containing a set of unknown ions, you perform the…

A: Analysis of anions or cations means that what type of cations or anions are present in a given…

Q: The following information is given for silicon at 1 atm: Tb=2355.00°C Tm1410.00°C AHvap (2355.00°C)…

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Q: 87 g of NaOH in  306 g of NaOH solution   express 2 sig

A: Given,  Mass of solute = 87 g Mass of solution = 306 g % m/m = =mass of solute ×100/mass of solution…

Q: How many grams of Cl, are needed to form 79.3 g of AlCl₂? 2 Al(s) + 3 Cl₂(g) → 2 AICI, (s) Step 1:…

A: • The given reaction is,       2 Al(s) + 3 Cl2(g) → 2 AlCl3(s)    • The values provided in the…

Q: 4. a. One liquid has a temperature of 140°F and another liquid has a temperature of 60°C. Are the…

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Q: Atom/ion Hydrogen atom (H) Oxide ion (0²-) Hydrogen ion (H+) Nitrogen atom (N) Nitride ion (N³-)…

A: The number of proton is equal to the atomic number of that element.  The no of proton is same as no…

Q: Complete the table below with the analysis of each of the 1H NMR spectrum signals

A: We have to complete the given table by analyzing the 1H NMR spectra.

Q: For each of the following solutions, calculate the specified value. Calculate the volume in…

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Q: STARTING WITH 18MG OF 2-methyl-2-butanol JUST B PLEASE  (b) theoretical volume of alkene mixture…

A: Given that -  Mass of reactant 2-methyl-2-butanol = 18 mg = 0.018 g    Now, 0.018 g reactant gives -…

Q: Choices: vinegar solvent formaldehyde cholic acid caproic acid bile acid vinyl acetate polymer stale…

A: Acetaldehyde is used  in insulation material. Cholic acid is used to treat Bile acid synthesis…

Q: Given reaction A + 2B-3C+4D with following standard enthalpies of formation AH:A-10.0 kJ/mol, B-5.0…

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Q: A solution of sodium thiosulfate was standardized by dissolving 0.1310 g KIO3 in water, adding a…

A: A solution of sodium thiosulfate was standardized by dissolving 0.1310 g KIO3 in water, adding a…

Q: When two monosaccharides bond to form a disaccharide, the new bond is (A) a peptide bond. (B) an…

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Q: 1. The enthalpy of vaporization of methanol is 37.4 kJ/mol at 25°C. Molar heat capacities for liquid…

A: Given: The enthalpy of vaporization of methanol  =  37.4 kJ/mol at 25 degree C Molar heat capacities…

Q: The combustion of 0.7523 g of the compound, C3H603(Molar mass = 90.08 g/mol) raises the temperature…

A: Recall the given reaction,                         C3H6O3 l  +  9/2 O2 g  →  3 CO2 g  +  3 H2O…

Q: What does the ? represent in the bombardment equation of nitrogen-14? 7N14 + ?- → 6C14 + 1H1 A)…

A: In this question, we will identify the particle for the given nuclear equation.  You can see the…

Q: Calculate the DH°rxn for the following reaction SiO₂(s) + 4HCI(g) ® SiCl4(g) + 2H₂O(g) Given that DH…

A: Products are present on right side of reaction and reactants are present on left side of reaction

Q: Determine the oxidation state of each element/ion in this chemical reaction Zn + 2 H+ → Zn²+ + H₂

A: Oxidation  state of each element of this chemical  reaction.

Q: EACTION STOICHIOMETRY Volume NaOH (mL) 21 30 40 16 Volume C₂H.O2 (mL) AT (°C) 29 5.3 20 10 1.9 34…

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Q: The temperature of 2.50 L of a gas initially at STP is raised to 85 °C at constant volume. Calculate…

A: Here we are required to find the final pressure

Q: 07-13: The diprotic acid Hal. has Kar-1.4 x 10 and Kaz -1.2 x 10-10 97-Calculate the molarity of H"…

A: The acid H2L is a diprotic acid in which there are two protons that can be released. Frist…

Q: Write a balanced chemical equation for the three reactions that occur when an airbag is  deployed.

A: When an airbag is deployed , three reactions occurs : (i) Decomposition of Sodium Azide (ii)…

Q: practice q 6. a. Draw the structure of both products B and C of these following transformations. 1)…

A: (a)When 1-methylcyclopentene (A) is treated with ozone in dichloromethane, dimethyl sulfide at low…

Q: Write a net ionic equation for the overall reaction that occurs when aqueous solutions of sulfurous…

A: Balaned equation is equation in which equal number of atoms of every element is present on both…

Q: what quantity of moles of chlorine gas at 120.0 C abs 33.3 atm would occupy a vessel of 40.5L?

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Q: Calculate the cell potential for the reaction as written at 25.00 °C25.00 °C, given that…

A: Given-> [Cr2+] = 0.790 M [Fe2+] = 0.0190 M T = 25°C

Q: pel the molecule shown as chiral or achiral. CI > Cl CL

A: If the molecule contains any symmetry like plane of symmetry, centre of symmetry and alternate axis…

Q: Complete the following for the reaction that occurs between an aqueous solutions of lithium…

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Q: How does temperature affect the spontaneity of a system with AHsys > 0 and AS sys > 0. O The…

A: Given->  ∆Hsys > 0 ∆Ssys > 0

Q: Solve the following problem and express the answer in meters with the appropriate number of…

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Q: C. AMINO ACIDS AND PEPTIDES Consider the structure of the peptide, Asn-Gln-Gly-Ala. H₂N. OH…

A: Here we are required to find the C terminal and N terminal present in the given peptide

Q: What is the oxidation number of the underlined element? K2SO3 A. –2 B. +4 C. +6 D. –4

A: A question based on structure of atoms that is to be accomplished.

Q: Which of the following reactions is an example of a redox reaction? A. CaO(s) + H2O(l) --> Ca(OH)2…

A: Redox Reaction :- As the name suggest that redox reaction are those in which reduction and oxidation…

Q: How much NaOH (in g) will be needed to form a 1000L 100 ppm solution? a. 10 b. 100 c. 1000 d. 10000

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Q: Write the sets of quantum numbers for the valence electrons in S.

A: Valence electrons means electrons present in outer shell of an atom.

Q: BaSO4(s)= Ba²+ (aq) + SO2 (aq) Ksp = 1.5 x 10-9 @ 25 °C [Ba2+] = 3.9 x 10-5 M What is the…

A: Given that the solubility equilibrium reaction for the solubility of sparingly salt, BaSO4 is given…

Q: 8. Br CH₂ CH₂CH3 XWV O VWX e AZY OYZA O O OH NaOCH₂ SN2 CrO₂, H₂SO4 acetone 10. * НСІ CH3 CH3-CH-OH…

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Q: Calculate the equilibrium constant (K) for the following reaction? 2Fe³+ + 31 2Fe²+ 2Fe²+ + 13…

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Q: necessary stereochemistry) using the given starting material. 'Br NH₂ NH b. C.

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Q: In the Inorganic laboratory, you made a dark red complex ion when you mixed potassium thiocyanate…

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Q: Using atomic masses of 69.7 g/mol for gallium and 35.5 g/mol for chlorine, the percent chlorine by…

A: Given that, the molar mass of gallium (Ga) is 69.7 g/mol. The molar mass of chlorine (Cl) is 35.5…

Q: a. Rank the indicated protons in increasing order of chemical shift. Fill in the boxes with the…

A: Greater the shielding higher the chemical shift. Aldehyde protons resonate between the chemical…

Q: Identify the element with the following orbital notation. NNNII 1s 2s 2p

A: Identify the element with the following orbital notation ?

Q: c) Hg(OAc)2 H₂SO4, H₂O I I

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Q: A compound has an empirical formula of HgCl. If the molecular mass of the compound is 472.2 g/mol,…

A: Here we are required to find the molecular formula.

Q: The following data show the rate constant of a reaction measured at several different temperatures.…

A: Using Integrated form of Arrhenius equation, activation energy and frequency factor can be…

Q: Evaluate ∆vapH° from the following data: p torr    150 354  520  750 T/ K     333 353 363 373

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Q: A sealed container contains 4.0 mols of O2 (g), 6.0 mols of NH3(g) and 8.0 mols of Ne(g). The total…

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Q: The following reaction is a redox reaction: CuSO4 (aq) + Ni(s) --> NiSO4 (aq) + Cu(s)  a) Write the…

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