Answer in scientific notation with the appropriate number of significant figures.  For a laboratory experiment, you are provided with a stock solution of food dye. This is the solution from which you will prepare all of your standard solutions. The concentration of the stock solution will be approximately (7.5000x10^-5) mol/L. How many milliliters of this stock solution is needed to prepare 50.0 mL of a (1.50x10^-5) mol/L solution?

Q: A student wants to make a 0.600 M aqueous solution of barium sulfate, BaSO4, and has a bottle…

A: final volume = 85.7 mL

Q: At a certain temperature, an aqueous solution is 38.0% H2SO4 by mass and has a density of 1.342…

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is known as…

Q: Vinegar is sold as a standardized solution of 5.00% by mass acetic acid in water. Assuming the…

A: Given that vinegar is  5.00%  by mass acetic acid in water. i.e. 5 g of acetic acid (CH3COOH) is…

Q: In the laboratory you dilute 4.25 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A: Answer: Dilution of a solution is done by gradually adding water in the stock solution. Addition of…

Q: Calculate the mass of NaClNaCl in a 45 −mL−mL sample of a 1.4 MM NaClNaCl solution.         Express…

A: We have to find the mass of NaCl present in 45 mL of 1.4 M NaCl solution. Given data; molarity = 1.4…

Q: Assume you have 8.0 M nitric acid available. What amount in milliliters of the 8.0 M nitric acid…

A:

Q: In the laboratory you dilute 2.81 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A: The objective of this question is to find the concentration of the diluted hydrochloric acid…

Q: What is the total concentration of hydrogen ion, H+, present in a water sample if 100. mL of the…

A: Question is about acid base neutralisation. If 8.1 ml of 2.1×10–3 M NaOH is needed to neutralize the…

Q: 0.261 g of potassium hydrogen phthalate (KHP) was titrated with NaOH. When 16.8 mL of the NaOH had…

A: The molarity of a substance is defined as the number of moles of solute present per liter of…

Q: You have a stock solution of 14.8 MM NH3NH3. How many milliliters of this solution should you dilute…

A:

Q: An analytical chemist weighs out 0.101g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Neutralization reaction : Equivalent amount of acid reacts with a equivalent amount of base This…

Q: A solution of dispersant is made by taking 10.0 mL of a 80.0 mg⋅mL−1 solution of Tween 80 and mixing…

A: Given: Volume of solution of tween 80 used = 10.0 mL Concentration of tween 80 in the solution =…

Q: es this solution with 0.0600 M NaOH solution. When the titration reaches the equivalence point, the…

A: We should equal equivalent of both acid and NaOH ion to get molarity mass of acid  Equivalent =…

Q: A chemistry student weighs out 0.111 g of sulfurous acid (H,So,), a diprotic acid, into a 250. mL…

A: The given data contains, mass of sulfurous acid = 0.111 g. Volume = 250 ml.  = 0.250 L. Molarity of…

Q: In Part A of this experiment you will prepare 0.1 M solutions of sodium carbonate (Na2CO3), sodium…

A: Molarity: The number of moles of solute present per liter of the solution is known as molarity.…

Q: A student wants to make a 1.600 M aqueous solution of barium sulfate, BaSO4, and has a bottle…

A: To calculate the final volume of the solution for 1.6 M solution of BaSO4 containing 12.00 g of…

Q: 1)A 191 −mL sample of a 1.4 MM sucrose solution is diluted to 450 mL. What is the molarity of the…

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

Q: Aluminum hydroxide is one component of antacids for hyperacidity. If one tablet contains 178 mg,…

A: Given :  Ksp = 1.9 x 10-33  Volume = 1 litre  Mass of aluminium hydroxide in one tablet = 178 mg

Q: Dye stock solution      concentration               blue———     0.3523               Yellow.…

A: The given problem is a simple question of mole concept and here we have to find out the molar…

Q: Magnesium citrate laxative solution (CITROMA) contains 1.745 g of magnesium citrate per fluid ounce…

A: Chemical formula of magnesium citrate is C6H6MgO7

Q: An ethanol-water solution has been prepared by dissolving 10 mL of ethanol (d=0.789 g/mol) in a…

A: Given:- Volume of ethanol = 10 mL Density of ethanol = 0.789gml Volume of solution = 100 mL Density…

Q: An analytical chemist weighs out 0.073 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given : Mass of monoprotic acid = 0.073 g  Concentration of NaOH = 0.1200 M And volume of NaOH…

Q: What mass(g) of potassium chloride is contained in 400.0 mL of a potassium chloride solution that…

A: The no of moles is defined as the ratio of the gives mass of substance to molar mass of that…

Q: A sample of MgCl,(5) is added to water and the number of chloride ions is measured to be 8 x 10.…

A: Given: Number of chloride ions = 8 × 1022 ions. And volume of solution = 5.0 L

Q: An approximately 0.1 M NaOH solution is made by adding 4.0 g of solid NaOH to 1000 mL. of water. The…

A: Titration is a common laboratory method of quantitative analysis to determine the concentration of…

Q: 0.3120 g sample of potassium hydrogen phthalate is dissolved in 100.0 mL of water. If 25.60 mL of…

A: Weight of potassium hydrogen phthalate = 0.3120 g Volume of water = 100.0 ml = 0.100 L  (1 L =…

Q: A 0.3240 g sample of potassium hydrogen phthalate is dissolved in 100.0 mL of water. If 26.79 mL of…

A: The objective of this question is to calculate the molarity of the sodium hydroxide solution using…

Q: n the laboratory, a student adds 14.0 g of silver nitrate to a 375 mL volumetric flask and adds…

A: Molarity of a solution can be calculated by dividing the number of moles of solute with the volume…

Q: Suppose 7.13 g of iron(II) bromide is dissolved in 100. mL of a 0.70 M aqueous solution of silver…

A: Given: Mass of iron (II) bromide i.e. FeBr2 = 7.13 g Volume of solution = 100 mL = 0.100 L…

Q: An aqueous solution of methyl alcohol is made by transfering 7.90 mL of liquid methyl alcohol to a…

A: In this question a methyl alcohol solution is prepared in 100 mL volumetric flask. We have to…

Q: A 25.0 mL sample of phosphoric acid requires 22.5 mL of 1.1 M sodium hydroxide for complete…

A: Since, Molarity is the number of moles of solute dissolve in one litre of the solution. Thus,

Q: A student wants to make a 0.600 M aqueous solution of barium sulfate, BaSO4, and has a bottle…

A: Given Molarity = 0.600 M Mass of BaSO4 = 12 g

Q: In the laboratory you dilute 2.56 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: Calculate the concentration (in molarity) of an NaOH solution if 25.0 mL of the solution is needed…

A:

Q: The following data are collected in an experiment to determine the amount of aspirin (the compound)…

A: 15.25 mL of base solution is required to neutralize 0.312 g of pure aspirin. Mass of a Bayer aspirin…

Q: An analytical chemist weighs out 0.073 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: Given : Mass of triprotic acid = 0.073 g  Concentration of NaOH = 0.1500 M And volume of NaOH…

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.