In the US, alcohol proof is equal to twice the percent of alcohol (ethanol) by volume, so for example, 190 proof alcohol is a 95% ethanol solution by volume. What is the proof of a 750-mL bottle of rum that contains 4.73 moles of ethanol, C2H5OH, which has a density of 0.785 g/mL?  ______proof

Q: A solution contains 4.1 x 10-4 g of Cl-1 per kilogram of solution.  What is this in ppm?

A:

Q: Calculate the volume in milliliters of a 0.594 mol/L barium acetate solution that contains 75.0 mmol…

A:

Q: Q: What is the normality of Si(NO3), if we added 107g of this salt to the volume of solution 250ml?…

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Q: A 8.53 g/L CH3OH B 25.9 g/L C4H₂OH Two aqueous solutions are separated by a semipermeable membrane…

A: Molecular weight of CH3OH = 12+(1×4)+16 = 32 g/mol ∴ Concentration of CH3OH = 8.53 g/L32 g/mol=0.267…

Q: How much solid sodium chloride do you need to make 300.0 mL of a 150. mM NaCl solution in water?

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Q: Can u answer this 2 questions please and show your complete solution thank you 10. An ethanol-water…

A: (10) Given that -  Volume of ethanol = 25.08 mL Density of ethanol = 0.789 g/mL  Volume of the…

Q: If 768 g of water is added to 38 g of a 4.9-m NaCl solution, what is the mass percent of NaCl in the…

A: Molality of NaCl solution = 4.9 m Mass of the solution = 38 grams Mass of water added = 768 grams…

Q: How many milliliters of a solution t

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Q: What volume (in L) of concentrated potassium hydroxide solution (21.5 mol/L) is required to prepare…

A: This is a dilution problem. Here the concentration of concentrated KOH solution is given. We have to…

Q: Calculate the volume in milliliters of a 2.7 mol/L iron (II) bromide solution that contains 25.0 g…

A: Given data  The molarity of Iron (II) bromide solution, M = 2.7 mol/L Mass of Iron (II) bromide…

Q: QUESTION 16 The solubility of an unknown salt is shown in the graph. If a solution is unsaturated at…

A: As we can see on increasing temperature ,the solubility of salt is increasing , thus there is a…

Q: 12. Fill in the answers for the following solutions. 12a. (To make 100mL of 100mM MgCl2, I would add…

A: Given the question about preparation of 100 mL of 100 mM MgCl2 solution.   We know that,  1 mM =…

Q: What is the volume percent of a solution made by mixing 29.5 teaspoons of high fructose corn…

A: Volume percent can be calculated by using the formula as:

Q: A hospital saline solution is analyzed to verify its concentration. A 50.0-mL sample of the solution…

A: Check the formula to calculate the percentage of NaCl and use it for percentage calculation.

Q: The molality of the solution is ____ m. The boiling point of the solution is _____°C

A: Given that:          Mass of manganese nitrate = 10.65 g Molar mass of manganese nitrate = 179.0…

Q: CI. gut = OH 0°C concentrated X 1. LIAIH 2. H₂O* NaOH

A:

Q: How many grams of CaCl2 are needed to make 923.3 g of a solution that is 32.5% (m/m) CaCl2 in water?…

A: The objective of the question is to find out the amount of CaCl2 and water needed to make a solution…

Q: A solution is made using 134.1 ml of phenol (density 1.090) and 500.0 ml of water (density 1.000).…

A: Given : Volume of phenol = 134.1 mL Density of phenol = 1.090 g/mL Volume of water = 500.0 mL And…

Q: Can u help me answer this 2 questions with complete solution please thank you 1. The density of…

A: (1) Given that -  Density of acetonitrile, C2H3N = 0.786 g/mL  Density of methanol, CH3OH = 0.791…

Q: 5. A sample of saline contains 45 ml of saline in 128 ml of water. What is the percent by volume of…

A: Solution :       Concentration in percentage by volume is expressed as the fraction of volume of…

Q: . A solutia A certain liquid X has a normal freezing point of -4.20 °C and a freezing point…

A: First calculate the change in freezing point for the solution and use it to calculate the mass of…

Q: 1.- The number of grams of Li2CO3 in 225 mL of 1.55 M Li2CO3 solution

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: An aliquot of 49.47 mL of methanol is mixed with water such that the total volume of the solution is…

A:

Q: How many millilitres of concentrated sulphuric acid, 99.0%, density 1.831 g/cm3, are required to…

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Q: An aqueous solution contains 60 µM salicylaldehyde (C,H6O2) and 330 ppm dichloroacetic acid…

A: From the given concentration of components and total volume of solution we can determine the mass of…

Q: 129.4 mg of NaCl (MM=58.44 g) is dissolved in 108.43 L of water. What is the concentration of Na+…

A: We have 129.4 mg of NaCl (MM=58.44 g) is dissolved in 108.43 L of water.  We've to calculate the…

Q: Calculate the volumes, in mL, of: ethanol, C2H5OH (ρ= 0.789 g/mL), that must be dissolved in water…

A: Molecular weight of ethanol=46 g and       Molecular weight of HCl is 36.5 g

Q: You have available a stock solution of 1.500M CuSO4. You need to prepare 500.0mL of 0.3000M CuSO4…

A: The solution is given below -

Q: Part1: 1.05×10-1  m glucose solution made by dissolving the glucose in 100.0 kg of water: ____ mol…

A:

Q: A certain liquid has a normal freezing point reezing point dep ssion some sodium chloride (NaCl) in…

A: Given : data  Tip: apply equation of depression in freezing point

Q: Oxygen's solubility in water is 0.00412 /100 ml at 20 °C and 760 mm Hg Calculate the solubility of…

A: Oxygen solubility in water = 0.00412 g/100mL Temperature = 20°C Pressure = 760mmHg Pressure, P2 =…

Q: weight

A:

Q: 114.7 mg of NaCl (MM=58.44 g) is dissolved in 246.42 L of water. What is the concentration of Na+…

A: A numerical problem based on concept of solutions, which is to be accomplished.

Q: If we have a 5.0 M NiCl_2NiCl2​ stock solution and we want to make 1 L of a 1.5 M NiCl_2NiCl2​…

A: Initial concentration of NiCl2 stock solution, M1 = 5.0 M Final concentration of NiCl2 solution…

Q: What is the percent by mass of a glucose solution containing 34.2 grams of glucose dissolved in…

A: Given data set: Mass of glucose = 34.2 g Mass of water = 434.2 g.  Thus, Mass of solution= 34.2 g +…

Q: you are given 15ug/ml atrazine to prepare a 3 ppb solution  a. use te terms working and stock to…

A:

Q: What is the molarity of the solution prepared by concentrating, by evaporation of solvent, 755 mL of…

A: Molarity can be defined as number of moles of solute dissolved per liter of the solution That is…

Q: NeC 2. Another common unit of concentration is % mass/volume (m/v). Calculate the % mass/volume for…

A: Since you have posted multiple questions, we will answer only first one for you. If you want any…

Q: Part B A solution of rubbing alcohol is 79.1 % (v/v) isopropanol in water. How many milliliters of…

A: v/v % = (volume of solute ÷volume of solution)×100

Q: You need to analyze an aqueous alcohol solution in the laboratory. You separated 367 mL of this…

A: The solution is as follows:

Q: If 19.6 grams of an aqueous solution of sodium bromide,NaBr,contains 1.92 grams of sodium…

A: Given: Mass of Sodium bromide=1.92 g Mass of solution=19.6 g  To Find: weight/weight % Solution:…

Q: How would you prepare 350 mL of a 1:20 glucose solution? Write your answer with two digits past the…

A: 1:20 glucose solution means 1/20 dilution factor., Volume of solution = 350 ml Required weight of…

Q: 3.48 mL of solution with a concentration of 12.71% m/v is diluted to a total volume of 135. mL.…

A: Given, Initial volume of the solution V1=3.48 ml (m/v)%=12.71% The volume after dilution=135 (m/v)%…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.