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A: The given data table is: What is the concentration of the unknown solution in mol/L?

Q: The toxicity of DDT (C14H9CI5) led to a ban on its use in the United States in 1972. Determinations…

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A: From the above table. The following conclusions are given

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Q: Pipet (1.0x10^1) mL of a sample solution into a 250.00 mL volumetric flask and dilute to the mark…

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Q: a) If 42.1 mL of 1.02 M sodium hydroxide, measured using a graduated cylinder, is placed in a beaker…

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A: Dilution Factor It is the volume of initial or concentrated solution to the volume of diluted…

Q: Submit Part C Dilution as a procedure in analysis We sometimes purposely dilute solutions if the…

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Q: What is the purity test of synthesized aspirin and commercial aspirin?

A: When salicylic acid reacts with acetic anhydride , Aspirin formed.  It is formed by acetylation of…

Q: None

A: 1. Appearance and Physical Properties: Observe the appearance and physical properties of the white…

Q: 7. Graduated cylinders can be used if an experiment calls for specific volumes but without the level…

A: All graduated glassware can be read with one uncertain digit, i.e. the uncertainty if +/- 0.1 is the…

Q: An aqueous solution that contains 425 ppm of potassium nitrate (KNO3) is being used in the lab.…

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Q: Will 260 milligrams of calcium carbonate raise the pH of 75.0 milliliters of stomach fluid from a…

A: Calcium carbonate is CaCO3 which is a diacidic base. The balanced equation for the neutralization…

Q: 10. Concentrated nitric acid, HNO3(aq), has a concentration of 15.7 M. What volume of concentrated…

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Q: Acetic acid is found in     lemons.   apples.   sour milk.

A: The acetic acid is an organic compound made up of C, H and O. The molecular formula is CH3COOH.The…

Q: No Plagiarism Please! In one to two sentences, describe the process by which the ionic compound,…

A: Lithium chloride is a chemical compound with a chemical formula “LiCl”. The salt is a normal ionic…

Q: The maximum safe level of a chemical in drinking water is determined to be 52 μg per kg of water.…

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Q: Pick all of the compounds on this list that are soluble in room temperature water. RbCl AgBr…

A: According to the solubility rule (in room temperature water): All the metallic nitrates and…

Q: where does the 0.693 come from?

A: Radioactive decay follows first order kinetics .

Q: Part 1 of 2 Determine the pH of a 0.30 M NH3 solution. Be sure your answer has the correct number of…

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Q: Q22:  Phosphate buffer solution is purchased as a(n) 2x stock solution. The solution is more…

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Q: Mineral oil is not as good as water at dissolving salts. Do we think the bonds in mineral oil are…

A: Mineral oil is any of colourless, odourless, light mixture of higher alkanes from a mineral source…

Q: 1. What type of dilution is this? 2. Please place the dilution factor under each tube 3. Which is…

A: Dilution is the process of lowering a solution's solute concentration by adding a solvent. To…

Q: OH THE we CH3 HBr CH3CN (solvent) E1 H₂C

A: Intramolecular cyclisation reactionIn the presence of an acid there is formation of carbo cation…

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: To determine the concentration of the original sulfuric acid solution, we can use the concept of…

Q: A chemist prepares a solution of sodium chloride (NaCl) by measuring out 0.50 g of NaCl into a 250.…

A: Given-> Weight of NaCl = 0.50 gm Volume = 250 ml =0.250 L (1L= 1000ml)

Q: Pill 1 Pill 2 Mass percent of FESO4 7 H,O (%) Average mass percent of FESO, 7 H2O (%) 6. unrounded…

A: Mass percent of a substance can be calculated as follows; Mass percent=Mass of substanceTotal…

Q: 'N Brz NaOH N- ●

A: The targeted product synthesize in three steps. Bromination then nucleophilic addition and then bond…

Q: What is the volume in liters that is needed to create a 2.0 M solution with 4.9 moles of Zn(NO3)2?…

A: Given data, Molarity = 2.0 M Number of moles = 4.9 mol To calculate the volume in liters.

Q: Ethanol is metabolized in most people at a constant rate of about 120mg per hour per kg body weight,…

A: Metabolic Rate is the number of calories required to keep human body functioning at rest.

Q: Density of Water Average Density of Water 0.997 g/mL 0.980 g/mL 0.984 g/mL

A: What is the average?

Q: 10.0mL of an unknown weak monoprotic acid whose concentration is 0.10M is titrated with 0.10M NaOH.…

A: In this graph , two plots are shown . One in red color is pH vs volume of NaOH which is S-shaped (…

Q: The spectroscopic data given in the table was generated for two different concentrations of a…

A: According to this law