You need to prepare a solution that is 16.0% acetone by mass. Acetone is a liquid with a density of 0.79g/mL. How many mL of acetone are needed to prepare a 100.0g solution? use sig figs

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Q: Choose the appropriate techniques for degassing the mobile phase of HPLC. 1. Ultrasonic II. Boiling ...

A: Degassing of mobile phase involves removal of bubbles formed during mixing of solvents.

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A: The answer has been outlined below.

Q: 3-nitrobenzoate

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Q: SH CH3CH2CH2CH2

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Q: Draw the major product of this reaction. Ignore inorganic byproducts. Br2 (1 equiv)

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Q: H NMR 10 6 HSP-03-391 ppm m/z SPECTRA 100 HS-NU-0779 10 20 30 40 50 60 70 80 90 100 110 m/z N. 4. 00...

A: 1H-NMR spectra provides the information about the different type and number of hydrogens of unknown ...

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Q: Specify the formal charges (both sign and magnitude) on the atoms labeled a-c. b. H. 1) a C c/ H2C=C...

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Q: At 300 K the reaction 2 BrCl(g)  Br(g) + Cl(g) has K = 377. What is the value of K for the reaction ...

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Q: Please help Are alkali metals or alkali earth metal more reactive why?

A: Alkali metals are group 1 elements and alkaline earth metals are group 2 elements. These are very re...

Q: Li + K2SO4 ---------->  Li2SO4 + 2 K How many grams of potassium are produced if 3 moles of K2SO4 ar...

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Q: To calculate E for a redax reaction before the titration begins can be calculated from a. The titran...

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Q: 5. Propose a synthesis plan for the following molecules. Mechanisms will not be graded for this sect...

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Q: Daniela There are two steps in the usual industrial preparation of acrylic acid, the immediate precu...

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Q: Explain the term gradient elution mode in HPLC

A: Given : We have to tell about gradient elution term .

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Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a...

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Q: ow many L of water (H2O) are produced if  120.0 moles of oxygen (O2 ) is used?

A: Given : Moles of O2 = 120.00

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Q: True or False: For the reaction, A(g)  + 2B(g)   4 C(g) the value of Kp, at  a given temperature,...

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Q: Which of the following statements is true for ideal gases, but is not always true for real gases?   ...

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Q: Differentiate between gel filtration and gel permeation chromatography.

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A: The atomic orbitals forming a molecule with the longest bond length = ? 

Q: A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pr...

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Q: What is the rate for the first order reaction A → Products when [A] = 0.259 M? (k = 0.360 1/min). Th...

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Q: determine the number of atoms of 23.64g of Ce

A: Given, mass of Ce = 23.64 g Molar mass of Ce = 140 g.mol-1

Q: 5 i)What is the pH of a mixture made by adding 0.10 mol of acetic acid and 0.050 mol of potassium ac...

A: Concentration of acetic acid = 0.10 mol  Concentration of potassium acetate=  0.050 mol  Volume of s...

Q: Consider the following mechanism: A2 + B2 → R+ C (slow) A2 + R → C (fast) (a) Write the overall bala...

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Q: What is the freezing point, in °C, of a solution made with 1.31 mol of CHCI3 in 530.0 g of CCI4 (Kf ...

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Q: Determine the number of atoms of O in 43.6 moles of Al₂(CO₃)₃.

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Q: 1. Which of the ions given is the result of an alpha cleavage? (A) 29 (B) 31 (C) 43 (D) 56 (E) 70

A: the solution is shown below.

Q: 16. Which of the intermediates shown below is generated during the following reaction? H,SO4 OH OCH2...

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Q: The activation energy, Ea, for a particular reaction is 19.4 kJ/mol. If the rate constant at 80 °C i...

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Q: 7. What effect would you expect the following changes to have on the rate of the Sn2 reaction of 1-i...

A: In an SN2 reaction, rate of the reaction is dependent on the concentration of the alkyl halide as we...