A compound has the following in weight: - 40% carbon - 6.7% hydrogen - 53% oxygen. The molar mass is 90.1 Therefore what is the molecular formula?

Q: Calculate the pH of the solution after the addition of each of the given amounts of  0.0603 M HNO3…

A: Given,  Molarity of HNO3 = 0.0603 M  Volume of aziridine (say B) in mL = 60.0 mL  Molarity of…

Q: pela lei qu Nirmatrelvirola uvos orit tot meinerloom & wand A Give the reagents for A, B, and C to…

A: We have to give the reagents for A, B, and C to synthesize compound 4.

Q: The elemental analysis of an organic solid extracted from gum arabic (a gummy substance used in…

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Q: 14. Write formulas for these ions with polyatomic ions a. Chloride b. Nitrate 1. Aluminum 2. Nickel…

A: The common formula of each polyatomic ion is, Chloride  - Cl- Nitrate -  NO3- phosphite - PO33-…

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Q: Consider the following equation: H2CO3 (aq)        →        H2O (l)   +    CO2 (g)     Rate = k…

A: Let us understand the rate of the reaction by using an example:

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Q: 1. For the reaction, NO₂(g) + O3(g) → NO3(g) + O₂(g), the following data were obtained: Experiment…

A: for the reaction, we have to calculate, rate law rate coefficient

Q: A shipment of containing NaOH (40 g/mol) and Na2CO3 (106 g/mol) was declared to contain less than 10…

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Q: Fill in the orbital energy diagram for phosphorus. 3s 2s 1s 3p- 2p

A:

Q: What is the pH of a 0.500 M solution of acetic acid? Ka = 1.77 x 10^-5

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Q: This only answers the half of the question. What about 4, 5, 6 and the list of the order of…

A: In IR spectra the vibrational frequency for any bond depends upon the stronger of that bond . in…

Q: A synthesis reaction produces ammonia: 3H2 (g) + N2(g) -> 2NH3 (g). What is the maximum amount of…

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Q: Which of the following must be true for an optically active compound?

A:

Q: Calculate the molality of a 10.0% (by mass) aqueous solution of sulfuric acid. Your Answer:

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Q: e) Using the solubility product constant, calculate the following for mercury(I) chloride, Hg₂Cl₂.…

A:

Q: < This cartoon depicts which type of enzyme inhibition? R Question 14 of 15 Substrate Inhibitor…

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Q: Suppose a standard strong-based solution was prepared by weighing out 2.514 g of NaOH in 500 mL of…

A: Solution:   moles of NaOH = 2.514/40 = 0.06285

Q: Relative Intensity 100- 08 20 10 MS2014-05101CM 20 30 60 SO

A: Mass spectrometry is mainly used for the identification of molecular weight which is denoted as M+.…

Q: Which ion could be used to precipitate Ba2+ from a solution of Ba(NO3)2? 1) Sr²+ 2) CIO4 3) SO4²- 4)…

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Q: Calculate the weight of pure sodium carbonate that is necessary to prepare 2.806  L of 0.223  N…

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Q: A 25.00 mL sample of 0.280 M LiOH is titrated with 0.750 M HCl at 25 °C. a. Calculate the initial…

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Q: What is the balanced equation for the following equilibrium expression? pºs03 Kp = P³0₂ xp s0₂

A:

Q: You receive an order for 60. mg of meperidine (Demerol) for your postsurgical patient. The injection…

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Q: copper (II) sulfate + zinc metal  ----------> Reaction Type: Observations: Balanced Equation:

A:

Q: a. Write the symbol of the element with the largest atomic radius in Group 7A. b. Write the symbol…

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Q: What reaction sequence would lead to the following transformation? ?

A: here we are required to predict the reagent needed  to carry out the following conversion.

Q: Does dehydrogenation of alkyl halides create Zaitsef or Hoffman products? In this example, which is…

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Q: What is the concentration of H3O+ ions in black coffee if [OH-] = 1.3 x 10-9 M? Is black coffee…

A:

Q: Part C. Classify whether the parameter shown in each item is describing an acidic or basic. Legend:…

A: For an acidic solution pH &lt; 7 while for basic solution pH &gt; 7  Since , pH + pOH = 14  So, for…

Q: 2. Determine mass (in g) of CO that contains 5.50 x 108 atoms

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Q: Which of the following statements must be true for two pure chiral somers?

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Q: Draw a structural formula for 3-chloro-3-methylhexane.

A: Given -&gt; 3-chloro-3-methylhexane

Q: Provide the correct three-letter abbreviation for the following amino acid: O || H₂N-CH-C-OH I CH₂…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: If 10. g of carbon dioxide are involved in the Grignard reaction, how many moles of carbon dioxide…

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Q: Analysis of a sample of hydrated salt shows that it contains 4.86 g Mg, 6.20 g P, 11.20 g O and 5.40…

A: • The values provided in the question are:-     i) Mass of magnesium in a hydrated salt = 4.86 g…

Q: A 0.2160 g sample of primary standard grade HgO (MM = 216.59) was dissolved in 75 mL of an aqueous…

A: Molarity = ( weight/ molecular weight ) × (1000 ÷ V) Molarity of Hgo = (0.2160g ÷ 216.59) x (1000÷…

Q: How can comparing the rates of effusion of gases X and Y allow the molar mass of Y to be calculated?…

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Q: What is the results of mixing calcium nitrate with sodium carbonate? Group of answer choices A…

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Q: A 0.2160 g sample of primary standard grade HgO (MM = 216.59) was dissolved in 75 mL of an aqueous…

A: Given: sample of HgO = 0.2160g volume of KI = 75mL liberated OH- needs HCl = 22.13mL To calculate:…

Q: The members of which pair of compounds are NOT related as isomers? A. H₂C-CE -CH,`NH-CH3 and…

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Q: Explain why a secondary amine forms a nitrosamine rather than a diazonium salt when it reacts with…

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Q: In the titration of 100.0 mL of 0.4000 M HONH, with 0.2000 M HBr, how many mL of HBr are required to…

A: Concept based on the acid-base titration.

Q: Problem 3: For the reaction, 2NOC1 → 2NO + Cl2, the following data were obtained at 27 C. Experiment…

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Q: 1: Copper metal + nitric acid. Reaction type: Observations: Balanced equation:

A: the copper give different product when they react with concentrated and dilute nitric acid both…

Q: Calculate the tare weight for an object placed in a 10.9114 g container with a total mass of 16.4545…

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Q: 5. Calculate molar mass of Cu3(PO4)2. Report to the correct significant figures and units.

A: Atomic mass: Copper = 63.54 gm/mole Phosphorus = 30.97 gm/mole Oxygen = 16 gm/mole One formula unit…

Q: Brass is a combination of copper and zinc in different percentages. What mass of copper is contained…

A: A question based on concentration terms that is to be accomplished.