How many liters of 20. mM potassium dihydrogen phosphate stock solution would be required to make 5.0 L that is 5.0 mM? If there were only 2 L of 20. mM stock available in the lab, would it be enough? If there is enough stock solution, describe how you would physically prepare the 5.0 mM solution.

Q: What volume, in mL, of 2.52 M HCl is required to prepare 176.5 mL of a 0.449 M HCl solution?

A: Given: M1= 0.449 M M2= 2,52 M V1= 176.5 mL V2= ?

Q: How much solid calcium hydroxide is required to make 750 mL of a 1.50 M calcium hydroxide solution?…

A: We know that, Molarity = number of moles/volume in litre And, Number of Moles = mass/molar mass

Q: Determine the volume of 53.2% (m/v) NaCl stock solution required to prepare 856 mL of a 2.25 M NaCl…

A: The concentration of the stock solution is = 53.2 % (m/v) The volume of the dilute solution = 856 mL…

Q: How many grams of Mg(NO3)2 are in 250.0 mL of a 5.00% (m/v) Mg(NO3)2 solution?

A: Solution:   Percentage mass by volume is a measure of concentration. It gives the ratio of the mass…

Q: How many mL of a 9.6 M stock solution would you need to make 913 mL of a 3.2 M solution?

A: We have to make 913 ml of 3.2M solution. Since, we know that the molarity = moles of solute per…

Q: How many grams of NaCl are needed to prepare 14 mL of a 0.36 M NaCI (aq) solution?

A:

Q: 44. How many grams are required to create 350. mL of a 1.42 M NaCl solution? 237 g 0.237 g 8.50 x…

A:

Q: A 10.5%(w/w) NiCl2 solution has a density of 1.149 g/mL. What is the mass in grams of Ni2+ contained…

A: Given : 10.5%(w/w) means 10.5 grams of NiCl2 (solute) present in 100 grams of solution. Mass of 1 L…

Q: What volume, in mL, of 2.52 M HCl is required to prepare 176.5 mL of a 0.449 M HCl solution? a) 156…

A: Since the moles of HCl in the 2.52 M HCl solution taken should be the final moles of HCl in 0.449 M…

Q: What volume of 0.48 M NaCl solution contains 175.6 grams of NaCl?

A: First, calculate no of moles of NaCl No of moles of NaCl = Mass/Molar mass = 175.6g/(58.44gmol-1) =…

Q: A 6.0M solution of Mg(OH)2 has 10 moles of solute. What is the volume of the solution?

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.…

Q: How many grams of cobalt (II) nitrate would you need to add to a 100.0 mL volumetric flask to make a…

A: Molarity = number of moles of solute/volume of solution (in L)  so, number of moles = molarity ×…

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

A: Molarity of a solution is defined as the number of moles of solute present in one litre of solution.…

Q: If a chemist wishes to dilute a 1.000 × 103 mg/L stock solution to prepare 5.000 × 102 mL of a…

A: Given, Concentration of stock solution = 1.000 × 103 mg/L Volume of diluted solution = 5.000 × 102…

Q: If you have weighed out 5.84 g of NaCl, what would be the total volume of a 1.0 M solution?

A:

Q: Describe how you would prepare 5.00 x 102 mL of 1.75 M HNO3 solution, starting with an 8.61 M stock…

A: Using molarity equation M1V1= M2V2

Q: To what volume should you dilute 46 mL of a 12 M stock HNO3 solution to obtain a 0.122 HNO3…

A: Molarity is the concentration of a solution in moles of solute per liters of solution.

Q: How many liters of a 5 M NaOH stock solution would you need to make 700 mL of a 253 mM NaOH…

A:

Q: a chemist wants to make 5.5 L of a 0.300 M CaCl2 solution. What mass of CaCl2 (in g) should the…

A: Given : Concentration of CaCl2 = 0.300 M And volume of solution = 5.5 L

Q: How many grams of solute are present in 645 mL of 0.200 M KBr?

A:

Q: If a chemist wishes to dilute a 1.000 x 103 mg/L stock solution to prepare 5.000 x 102 mL of a…

A:

Q: To what volume should you dilute 150.0 ml of an aqueous 6.00 M iron (II) bromide solution so that…

A: We are required to find out the volume to which 150.0 mL of 6.00 M of Iron(II) bromide solution is…

Q: Calculate the volume of 0.250 M solution made by dissolving 5.56 g of solid magnesium chloride in…

A: Given  Molarity of solution ( M ) = 0.250 mole/Liter  Mass of MgCl2  = 5.56 gram  Volume  = ?  Molar…

Q: A student is asked to prepare 250 mL of a 0.0104 M NaCl solution. The student found a stock bottle…

A: Given: A student has to prepare 250 mL of 0.0104 M NaCl solution using 34.7 mL of 0.0723 M NaCl…

Q: Commercial hydrochloric acid (HCl) has a concentration of 12.1 M. What volume of the commercial HCl…

A: Since we know the final volume and concentration of the HCl solution as 250 ml and 3 M Hence final…

Q: What volume of a 1.20 mol/L stock solution would you use to make 1.00 L of a 0.800 mol/L solution?

A:

Q: You were tasked to prepare nitric acid with a concentration of 1.28 M. What will be the volume (in…

A: Recall the data, M1=1.28M, V1=? M2=3.0M , V2=139 ml

Q: A student prepares a solution of potassium chloride by dissolving 90.6 g of KCI into enough water to…

A: Given data,     Mass of KCl =90.6 g  Volume of solution =1 L Molar mass of KCl = (39 + 35.5)g/mol =…

Q: How many liters of a 3 M NaOH stock solution would you need to make 504 mL of a 188 mM NaOH…

A:

Q: Your lab partner gets out a 100-mL graduated cylinder and a 100-mL beaker to prepare 100.00 mL of…

A: We already have a 1.201 M solution. We need to dilute it to make 100ml of 0.1201 M

Q: Describe how you would make a 500.0ml sample of 2.00 M KBr solution. You have access to solid KBr, a…

A:

Q: How many milliliters of a 0.900% (m/v) normal saline solution can be prepared from 2.00 g of sodium…

A: Percentage (mass/volume) can be defined as the weight of solute in g per volume of solution in mL,…

Q: How many L of a 6.6 M stock solution would you need to make 1,505 mL of a 2.9 M solution?

A: We know molarity is defined as moles of solute per litre of solution. To make 1505 ml of  2.9 M…

Q: What volume (mL) of a 15% (m/v) NaOH solution contains 120 g NaOH?

A: 15% (m/v) NaOH solution We have to find volume (mL) of a 15% (m/v) NaOH solution contains 120 g…

Q: You wish to make a 0.397 M nitric acid solution from a stock solution of 6.00 M nitric acid. How…

A: With data's given  We are calculating total volume by using dilution formula as follows

Q: How many grams of dextrose are needed to make 615 mL of a 33.0 % (w/v) dextrose solution? Note that…

A: Given that : Volume of solution = 615 mL of 33.0% (w/v)  Mass of dextrose = ?

Q: Commercially available concentrated sulfuric acid is 18.0 M H2SO4. Calculate the volume (in mL) of…

A: Dilution is a process via which the concentration of a solution is decreased by adding extra…

Q: A sample of drinking water is determined to be contaminated with dioxin. The mass percentage of…

A: Given: Mass percentage of dioxin = 0.085% Volume of solution = 2.5 L Density of solution = 1.00 g/mL

Q: How many grams of dextrose are needed to make 725 mL of a 34.0% (w/v) dextrose solution? Note that…

A: Given : Volume required = 725 ml w/v % = 34%

Q: What volume of water must be added to 742 mL of a 4.5 M HCI to diluted it to 0.8 M? 4.25 L 1.65 L…

A:

Q: How many grams of NaCl are in a 685 mL of a 4.5 M NaCl(aq) solution?

A:

Q: stuons. applic Observe the use of significant figures for calculations and indicate the appropriate…

A: Molarity is defined as ratio of number of moles to that of volume of solution (L).

Q: The volume of a 1.00 M HCl solution must be diluted to obtain 200 mL of a 0.250 M HC1 solution is…

A: The Volume of 1.00 M HCl solution after dilution can be calculated as follows: M1V1 = M2V2

Q: Assuming the volume of a pink freezer pop solution is 30.0 ml and the concentration of red pop is…

A: Given,  Volume = 30 ml                 = 30×10-3L = 0.03L Concentration of red pop = 3.03g/L To find…

Q: What mass, in grams, of sodium bicarbonate are contained in 0.550 L of a 2.15 M solution?…

A: Given that,volume of the solution = 0.550 L molarity of the solution = 2.15 M = 2.15 mol/L moles of…

Q: How many milliliters  of water should a chemist add if they want to prepare an .200 m Aqueous…

A: Molarity=No of moles salute x 100Volume of solution in mlNo of moles of salute=given massmolar…

Q: Given a bottle of sodium sulfate decahydrate, how would you prepare 250 mL of a solution that is…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HCl by…

A: By considering the total mass of the solution be 100 g. The amount (m) of HCl present is 36.0 g. The…

Q: Calculate the Molarity of 2.12 g of potassium bromide, KBr, in 458 ml of solution.

A: