A student submerges an 18.0 gram metal sample in water. The density of the metal is known to be 12.5 g/mL. The final volum of water once the metal has been added is 72.0 mL. Calculate nitial volume of the water before the metal was added.

Q: Calculate parts per million Br- in a sample of seawater that is 0.865 mMBr- with a density of 1.025…

A: The concentration of Br- in ppm is given below

Q: A 3.40 M aqueous solution of LiCI has a density of 1.0758 g/mL. If the total mass of the solution is…

A: given molarity = 3.40M mass of solution = 59 g density of solution = 1.0758 g/ml

Q: after 5.63g sample of Wood's metal has been added to the water in a 10-mL graduated cylinder, the…

A: Given  weight of wood's metal = 5.63 g  volume of cylinder = 10 mL  new water level = 8.7 mL  Find…

Q: Assume the density of water is exactly 1 g/mL, what is the mass of solute in 1 L of a solution with…

A: Given, The density of water = 1g/mL The volume of solution = 1L Concentration = 1μg/mL

Q: Q8 To what volume (in mL) should 6.27 mL of an 6.57 M acetic acid solution be diluted in order to…

A:

Q: solution is 12.3% ethanol in water. If 10.5mL of ethanol is in the solution, what is the volume of…

A: % of ethanol = 12.3  Volume of ethanol = 10.5

Q: Chlorine is used to disinfect swimming pools. The accepted concentration for this purpose is 1 ppm…

A: Given : Mass of water in swimming pool = 8.45 X 104 gallons  Mass percent of chlorine = 6.00 %  And…

Q: The dishwasher broke down. You want to use chlorine bleach solution to sanitize you’re dishes at…

A: To calculate the amount of bleach , we would first calculate the volume of whole sink . Also it is…

Q: 1. them. 3.2 CHEMISTRY HOLIDAY WORK 2022 Nalubula is investigating changes in mass of substances…

A: Mass of Zinc metal = 100 g  Mass of sulfuric acid = 200 g

Q: Volume occupied by 100 g of the following: Solution: Volume = 83.7 cm^3 Metal Bar: Volume = 9.84…

A: Volume occupied by 100 g of the Solution and metal bar is given  Solution: Volume = 83.7 cm^3 Metal…

Q: When you are dispensing stock solution into your graduated cylinder, you find that you have poured…

A: A stock solution is prepared by dissolving the solute into a solvent. The solution is further used…

Q: mL of a concentrated 0.02 M ibuprofen (aq) solution should be added to a 100 mL volumetric flask…

A: Initial concentration, M1 = 0.02 M The initial volume, V1 =? Final concentration, M2 = 0.002 M Final…

Q: A chemist must dilute 45.8mL of 769.mM aqueous aluminum chloride (AlCl3)solution until the…

A: Given data is as follows: The initial volume of the aqueous aluminum chloride V1 = 45.8 mL The…

Q: When an aqueous ethanol solution is 95% ethanol by mass, we can immediately deduce that 100 g of the…

A: In an ethanol solution, ethanol is the solute and water is the solvent.

Q: What is the mass of a solution if 25.0 ml of NaOH was added to 35 0 ml of water? Assume a density of…

A: Since the volume of water is not clear, assuming it is 350 mL and the density of solution is 1.00…

Q: A chemistry student weighs out 45. g of an unknown solid compound X and adds it to 750. mL of disti…

A:

Q: A chemist reads a solubility table and finds that 38.0 grams of table salt is the maximum amount of…

A: Solubility :- The maximum amount of solute that can be dissolved in given amount of solvent is…

Q: What is the mass, in grams,

A:

Q: A student prepared a 12.5 M stock solution of CaCl2. What volume of the stock solution in…

A:

Q: Question attached

A: Molarity of a solution tells us how many moles of solute we get per litre of solution. Molarity…

Q: A lab prepared a solution of sulfuric acid with a volume of 5.0x10-4 m3. The solution is further…

A: Molarity is defined as the number of moles of solute dissolved in 1 L of solution. The unit of…

Q: A chemist must prepare 0.100 L of 1.00 M aqueous barium chloride (BaCl,) working solution. He'll do…

A: Here, dilution of stock solution is occurring, which means a dilute solution os prepared from a…

Q: Assume household vinegar contains 5.00% acetic acid by weight and that the density of vinegar is the…

A: Given,  household vinegar contains 5.00% acetic acid by weight.  And the density of vinegar is the…

Q: How many mL of a 10.78M KI solution are needed to make 2.55 L of a 0.188 M KI solution? Be sure to…

A: The product of concentration (molarity) of the solution and the volume of the solution give the…

Q: A chemist must dilute 48.0 mL of 3.86 M aqueous iron(III) bromide (FeBr,) solution until the…

A: Given : Initial volume of solution = 48.0 mL Initial concentration of FeBr3 = 3.86 M And final…

Q: Chlorine is used to disinfect swimming pools. The accepted concentration for this purpose is 1 ppm…

A: The values are given as follows:

Q: What mass of a 6.0% NaOH solution contains 12 grams of NAOH? Enter your answer in grams in the space…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: A chemistry student weighs out 72. g of an unknown solid compound X and adds it to 550. mL of…

A: An student weighs out 72. g of an unknown solid compound X and adds it to 550. mL of distilled water…

Q: An analytical chemist weighs out 0.278 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given-> Weight of diprotic acid = 0.278 gm Volume of flask= 250 ml = 0.250 L (1 L = 1000 ml)…

Q: Is the mixture described in the table homogeneous or heterogeneous? Explain how you can tell.

A: A substance which consists of two or more elements or compounds which are not chemically reactive is…

Q: A chemist must dilute 21.1mL of 6.81M aqueous calcium bromide CaBr2 solution until the concentration…

A: Here we have to see the concept of dilution. When we dilute the concentrated solution to low…

Q: 1. What is the percent by mass of 6 g of copper (II) sulfate dissolved in 84 g of water? 2. A…

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

Q: A student in the laboratory needs a 0.125 M sulfuric acid solution, H,SO,. What volume in mL, of a…

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

Q: A chemist must dilute 54.1 mL of 6.21 M aqueous potassium iodide (KI) solution until the…

A:

Q: A 125ml sample of an 8.2 M NaCl solution is diluted to 3.0 L . What volume of the diluted solution…

A: Concept:  Upon dilution the moles would remain constant , using this we can predict the new Molarity…

Q: A chemist must dilute 0.0757 L of 11.6 M aqueous silver nitrate (AGNO, solution until the…

A:

Q: A chemist must prepare 675. mL of 42.0 µM aqueous silver(II) oxide (AgO) working solution. He'll do…

A: The volume of solution to be made is 675 mL = 0.675 L                                  ( since 1 L =…

Q: Give an example of a mixture in which solute is solid and solvent is liquid.

A: NaCl (ionic solid) Water (liquid) Salt water

Q: A 0.75 M acetic acid solution has a density of 1.01 g/mL. What is the amount of solvent in grams in…

A:

Q: A chemist must prepare 0.250 L of 1.00 M aqueous sodium carbonate (Na, CO, working solution. He'll…

A:

Q: A potassium bromide solution is 7.55 % potassium bromide by mass and its density is 1.03 g/mL. What…

A:

Q: A chemist must dilute 61.8 mL of 6.71 M aqueous potassium iodide (KI) solution until the…

A: FOR DILUTION M1V1= M2V2 where M1 = Initial molarity of solution, V1 = initial volume of solution, M2…

Q: A sample of barium chloride weighing 20.5g was dissolved in enough water to make a solution with a…

A: Given, Mass of barium chloride = 20.5 g  Concentration = 0.175 M                            = 0.175…

Q: Aqua regia is an acid mixture that can be used to dissolve gold. Aqua regia has a density of 1210.…

A:

Q: A 2.80 M aqueous solution of LiCI has a density of 1.0626 g/mL. If the total mass of the solution is…

A:

Q: A chemist must dilute 99.9 mL of 161. mM aqueous silver perchlorate (AgClO,) solution until the…

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

Q: Density of an aqueous solution of nitric acid is 1.43 g/mL. If this solutioin contained 36.0% nitric…

A: Given, Density of an aqueous solution of nitric acid = 1.43 g/mL Mass % of nitric acid = 36.0 %…

Q: You can easily measure the volume of NaOH or HCl solution using a graduated cylinder. What piece of…

A: By taking volume and density we can measure the mass of NaOH or HCl without using a balance. Density…

Q: If a total of 125 mL of a 10% solution is diluted to 500 mL in a 500-mL volumetric flask, what is…

A: 1.) As the initial 10% solution is diluted , so we would use dilution law to calculate concentration…