ou have 729 mls of water and you want to make a 0.864 molar (M) solution of barium hydroxide.  How many grams of barium hydroxide must you add to that volume of water?   Answer

Q: Consider a 0.250 M solution of KCl (molar mass= 74.55 g/mol) How many moles of KCI are in 168 ml of…

A: The moles of KCl in the solution is = 0.041 mol

Q: You need to make an aqueous solution of 0.204 M magnesium acetate for an experiment in lab, using a…

A: Given, volume = 250 mL  molarity of magnesium acetate = 0.204 M  we have to calculate the mass of…

Q: A cube of table salt (NaCl) has an acceleration of 2 m/s2 when a force of 6 newtons is applied to…

A: Given: Formula: Or To find: Molarity in mol/L

Q: An aqueous solution of has a concentration of 50.1 (m/m)%. Convert this to units of molarity, given…

A:

Q: You have 25,00 of a 0.1000 M sugar solution. How much water must be added to make a 0.01789 M…

A: Given, M1 = 0.01789 M M2 = 0.1000 M V2 = 25.00mL

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

A: In this question, we want to determine the Molarity of the luminol Solution.  You can see details…

Q: A student wishes to prepare 200.-ml of 0.50 M glucose solution. What volume (mL) of the stock 1.0M…

A: This problem is related to the preparation of diluted solution from the concentrated solution. In…

Q: You need to make an aqueous solution of 0.177 M magnesium bromide for an experiment in lab, using a…

A:

Q: In the laboratory you are asked to make a 0.450 m barium iodide solution using 15.8 grams of barium…

A:

Q: a sugar cube is stirred into a cup of warm water until dissolves, forming sugar water. what is the…

A:

Q: If 38.4 mL of methanol is dissolved in 79.3 mL of water, determine the percent by volume of methanol…

A: Consider the given information is as follows; Volume of methanol = 38.4 mL Volume of water = 79.3 mL…

Q: Calculate the molarity and express answer with appropriate units. 7.20 g of NaCl in 350. mL of a…

A:

Q: How many moles of solute are in 200 . mL of a 2.5 molar solution?

A: Volume=200mL Molarity=2.5M Moles of solute=?

Q: Assume that you want to create a 50.0g aqueous solution that is 5.659% by mass sodium chloride. How…

A:

Q: 6. If the density of a salt water solution is 1.156g/mL. How many milliliters are needed to have…

A:

Q: You need to make an aqueous solution of 0.172 M potassium nitrate for an experiment in lab, using a…

A: Given that   Molarity of potassium nitrate (KNO3) = 0.172 M The volume of flask = 125 ml  (that is…

Q: The mass of barium fluoride that is dissolved in 150 mL of a saturated solution is grams.

A:

Q: A student wants to prepare a 1.5 M NaCl solution. How many liters of solutions can be made if the…

A:

Q: In the laboratory you are asked to make a 0.667 m aluminum sulfate solution using 255 grams of water…

A:

Q: How much solid zinc bromide should you add.

A:

Q: What volume of 0.362 M KCl solution must be used in order to contain 0.0831 mole of KCl?

A: 1 M KCl solution means 1 mole KCl is present in 1000 mL solution.  So, 0.362 M KCl solution means…

Q: You have 25.00 mL of a 0.1000 M sugar solution. How much water must be added to make a 0.01059M…

A: Given Initial Concentration (M1) =0.100 M Initial volume (V1) = 25.00 mL Final concentration (M2) =…

Q: How many milliliters of a 2.20 M NaBr solution will contain 77.8 g of NaBr

A:

Q: A chemist wants to make 2.5 L of a 0.100 M KCl solution. How much KCl in grams should the chemist…

A: 2.5L = 2500ml 0.1 M = 1/10 M Molar mass of KCl = 74g 1M 1000ml solution = 74g of KCl

Q: How many milliliters of a 7.4 M NaOH solution are needed to make 694 mL of a 2.3 M NaOH solution?…

A:

Q: You need to make an aqueous solution of 0.240 M potassium bromide for an experiment in lab, using a…

A:

Q: You need to make an aqueous solution of 0.158 M iron(III) bromide for an experiment in lab, using a…

A: Molarity = mass of solute ( FeBr3)Molar mass of solute FeBr3×volume of solution(in L)  0.158 =…

Q: A student was answering the following question and made a mistake. Identify the mistake and correct…

A: Given data,Mass of solution=350gPercentage by mass=58%

Q: olume of a 1.25 M potassium chloride solution will contain 42.87 grams of potassium

A: The concentration of a solution depends upon the moles of solute and volume of solution.here moles…

Q: In the laboratory you are asked to make a 0.350 m barium iodide solution using 15.9 grams of barium…

A: m is symbol for molality. molality = moles of solute / weight of solvent (kg) Moles of solute =…

Q: Calculate the volume in liters of a 0.21M potassium permanganate solution that contains 400 mmol of…

A: The volume of potassium permanganate in liters is = 1.9 L

Q: the beakers pictured above, which solution is more concentrated? You can assume both solutic О…

A: The addition of more solvent into the concentrated solution is called dilution. In this, the amount…

Q: Solutions of magnesium sulfate and potassium phosphate react to form a precipitate. What volume, in…

A: To determine the volume of magnesium sulfate solution needed to react with potassium phosphate…

Q: You have 25.00 mL of a 0.1000 M sugar solution. How much water must be added to make a 0.01789M…

A: The given data contains, Volume V1 =25 mlMolarity M1=0.1000 MMolarity M2=0.01789 M

Q: Calculate the solution volume in mililiters of a 7.40 M solution containing 1.72 moles of solute.…

A: Given data : Concentration = 7.40 M = 7.40 mol/L Moles of solute = 1.72 moles

Q: A saturated solution of a compound contains .15g of solute in 100 g of water.  Is a second solution…

A:

Q: An aqueous solution that is 25% by mass sodium chloride is prepared with 21g of water. What mass of…

A:

Q: For the solution, three grams of potassium chloride (KCI) are combined with one hundred grams of…

A: We know the formula of the mass percent is : => mass percent = (mass of solute / mass of solution…

Q: If 75.0 mL methanol is combined with 250.0 mL water, what is the volume percent of methanol in the…

A:

Q: How many grams of Calcium Chloride in 100.0 mL of 1.8 Moles solution?

A: The volume of the solution is = 100.0 mL The molarity of the solution is = 1.8 M The mass of calcium…

Q: This is "Solution" of chemistry   What volume of a 0.20-M K2SO4 solution contains 57 g of K2SO4

A: