What is the molarity of 270. mL of solution containing 3.80 moles of ZnCl2 ? Express your answer with the appropriate units.

Q: What volume (mL) of a 0.0833 M CuSO4 x 5 H2O solution is needed to prepare 250.00 mL of a 0.00422 M…

A: Since the moles of CuSO4X5H2O should be same in both the solutions as we are taking CuSO4X5H2O from…

Q: Sherri is asked to dilute her prepared CuCl2 solution with a volume of 655ml CuCl2 and a…

A: Given  Initial Volume of Solution (V1)= 655 mL                                                 =…

Q: What is the mass in milligrams of solute in 356 mL of a solution that contains 2.96 ppm of Pb(NO3)2?

A: Given :-  Volume of solution = 356 mL  Concentration of solution = 2.96 ppm  To calculate :-  Mass…

Q: Calculate the molarity of a solution containing 1.2 moles of NaCi in 730 ml of solution?

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: A solution is prepared by dissolving 3.2 grams of NaCl (MM=58.44 g/mol) in enough water to make…

A: The molarity is a concentration term which is explained as the number of moles of solute dissolved…

Q: What is the molarity of a solution in which 10.8 grams of magnesium chloride is dissolved in enough…

A: Molarity is the concentration of solution which expressed the number of moles of solute present per…

Q: What is the concentration (M) of a NaCl solution prepared by dissolving 9.3 g of NaCl in sufficient…

A: Solution: By the definition of molarity, it is the ratio of moles of solute present in given litre…

Q: Concentrated hydrochloric acid is available commercially as a 12 M solution. What is the molarity of…

A: The given problem can be solved by using the formula given below as; M1 V1 = M2 V2…

Q: What mass of Fe(NO3)3 do you need to prepare 150.00 mL of 0.550 M solution? Make sure all of your…

A: Mole is a standard unit for measuring large quantities of very small entities such as…

Q: What mass of solution containing 4.00% sodium sulfate, Na2 SO4, by mass contains 1.50 g Na2 SO4?…

A:

Q: One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite (NaOCI) by…

A: Molarity is defined as a number of moles of solute dissolved in one liter of solution.…

Q: mass/volume

A: During the dilution , the number of moles remains constant and only concentration changes during the…

Q: How many moles of solute particles are present in 7.64 mL of 0.249 M K3PO4? When you have your…

A: Given:Concentration (Molarity) = 0.249 M.Volume = 7.64 mL = 7.64×10-3 L.

Q: How many grams of NaOH (molar mass is 39.998 g)must be used to prepare 753. mL of 2.80 M solution ?

A:

Q: 3. What volume of a .20 M solution of K₂SO4 solution contains 75 g of the solute?

A:

Q: Enter your answer in the provided box. A sample of concentrated nitric acid has a density of 1.41…

A: 70.0% of HNO3 means that 70.0 g of HNO3 is present in 100 g of solution. Let's say we have 100 g of…

Q: What is the mass in grams of NaCN in 120.0 mL of a 2.40 × 105 M solution?

A:

Q: What is the molarity of a solution that contains 2.85 moles of a solute in 750.0 mL of solution?

A: Here we are required to find the Molarity of the solution

Q: A solution is made by dissolving 5.7 g of CuCl2 in 50. mL of solution.  What is the molarity? Please…

A: Molarity of solution can be defined as  Moles of  solutes  present in liters of Solution.…

Q: How many grams of solute are present in 125 mL of 0.860 M KBr?

A:

Q: Calculate the mass, in grams, of MgSO3 required to prepare exactly 100 mL of a 0.760-M solution of…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: What is the molarity of sodium chloride in a solution that is 26.9% by mass NaCl and has a density…

A:

Q: What is the molarity of a 10.0% by mass glucose (C6H1206) solution if the density of the solution is…

A: Given data,Percentage by mass glucose=10.0%Density of the solution=1.04g/mL

Q: How many liters of a 1.85 M KNO3 solution can be prepared from 53.3 g of KNO3? Express your answer…

A: First convert the given KNO3 mass to moles. Moles=MassMolar mass=53.3 g101.10 g/mol=0.527 mol

Q: What is the molar concentration (molarity) of a saturated solution of calcium hydroxide that…

A:

Q: What is the volume in liters of a 0.18 M sulfuric acid (H2SO4) solution that contains 0.38 mol…

A: Molarity is the described as the number of moles present in 1 L solution. Molarity is expressed in…

Q: What mass of salt (NaCI) in grams (g) is required to prepare 2.552 L ofD51/¼NS solution? Give your…

A: Given that : The volume of D514NS solution = 2.552 L We have to calculate the mass of NaCl required…

Q: How many grams of NaOH would you need to make 3,243 mL of a 7 M NaOH solution (m.w. = 40.00 g/mol)?

A: Molarity is defined number of moles of solute is dissolved in one litre of solutions

Q: What is the molarity of magnesium solution made by dissolving 8.7g of magnesium chloride 2.45L of…

A: Mass of magnesium chloride is given as 8.7 grams, and the molecular mass of magnesium chloride is…

Q: What is the mass in grams of NaCN in 120.0 mL of a 2.40 x 105 M solution?

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: What is the molarity of sodium chloride in solution that is 13.0% by mass sodium chloride and that…

A: Determination is the molarity of sodium chloride: Given: Mass of sodium chloride is = Density…

Q: What mass of a concentrated solution of nitric acid (68% HNO3 by mass) is needed to prepare 400 g of…

A: Percentage of solution can be determined by dividing the mass of the soluteby the mass of the…

Q: What is the concentration (M) of a NaCl solution prepared by dissolving 7.2 g of NaCl in sufficient…

A:

Q: what is the mass of h2so4 sulfate acid contained in 150 grams of solution, if the mass fraction of…

A: mass fraction of substance =mass of  substance/mass of solution on substituting 0.25 = mass of…

Q: How many moles of nitric acid, HNO3, are present in 426 mL of a 0.921 M nitric acid solution?

A: Mole concept is used for measuring the quantity of any compound or substance. The specific unit…

Q: One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite (NaOCI) by…

A: 0.517 M

Q: What is the molarity of a solution prepared by dissolving 26.2 g of NaNO3 in 500.0 mL of water?

A: Given, Mass of NaNO3 dissolved in water = 26.2 g Volume of water = 500.0 mL       Required,…

Q: the Molarity of glucose solution after dilution?

A: A standard solution of glucose of volume 3000 ml having Molarity 1.2 M was prepared in the chemistry…

Q: The molarity of a solution prepared by diluting 43.72 mL of 1.005 M aqueous K2Cr2O7 to 500 mL is…

A: Before Dilution: M1 = 1.005 M V1 = 43.72 mL   After Dilution: M2 V2 =  500 mL   Using Dilution…

Q: What mass of copper(II) nitrate, Cu(NO3)2, is present in 50.00 mL of a 4.55 × 10-3 M aqueous…

A: Given question is very basic and simple as well, because every data is provided like concentration…

Q: What is the molarity of a solution that contains 0.85 mol of ammonium nitrate, NH,NO, dissolved in a…

A: No of mole of the compound dissolved in the 1000 ml of solution called the Molarity of the solution…

Q: Calculate the moles and the mass of solute in 135.9 mL of 0.198 M CaCl2.

A: Stoichiometry is mainly based on the calculation of moles and volumes. These two values are used to…

Q: Calculate the molarity of a solution that contains 0.195 mol ZnCl2 in exactly 140 mL of solution.

A: Given : Moles of ZnCl2=0.195 mol The volume of the solution =140 mL 1 L = 1000 mL The volume of the…

Q: How many milliliters of water should a chemist add if they want to prepare an 0.200 M aqueous…

A: Molarity is defined as the number of moles per liter of the solution. Molarity=Number of…

Q: You are asked to prepare 52 mL of a diluted solution that contains 5 g CuCl2, to what volume should…

A:

Q: How many grams of NaOH would you need to make 8,613 mL of a 200 mM NaOH solution (m.w. = 40.00…

A: Molarity is a term used for expressing concentration of the solution and is defined as the moles of…

Q: To what volume should you dilute 50 mL of a 13 M stock HNO3 solution to obtain a 0.105 M HNO3…

A: The volume of diluted solution can be calculated using the equation (1). In this equation, M1 and V1…

Q: The forensic technician at a crime scene has just prepared a luminol stock solution by adding 14.0 g…

A: Molarity of any solution can be determined by dividing the number of moles of solute by the volume…

Q: A bottle of concentrated aqueous ammonia is labelled " 29.8% N H3 by mass; density = 0.8960 g/ml."…

A: Given, Mass of ammonia = 29.8%. Density = 0.8960g/mL. (a)The molarity of the ammonia solution can be…