A solution contains 217 millimoles of sodium perchlorate in 100. mL of solution. (1) What is the molarity of the solution? _____ M(2) What volume of this solution would contain 27.9 millimoles of NaClO4? _______ mL

Q: 550. mL of 2.30 M NaOH from 8.20 M NaOH

A: N1V1=N2V2

Q: 29. Calculate the volume (in L) of a solution of 0.664 M BaCl2 needed to obtain 3.996 moles of…

A: Molarity of BaCl2 solution = 0.664 M  Number of moles of BaCl2 = 3.996 moles  Volume of solution in…

Q: How many microliters of original sample are required to produce a final dilution of 102 in a total…

A: according to Dilution law initial = final  M1V1 = M2V2  final dilution = M2 / M1 =10-2  (given)…

Q: How many grams of sodium hydroxide, NaOH , must be dissolved to prepare 500. mL of a 0.138 M aqueous…

A: Given :- volume of solution = 500 mL  molarity of solution = 0.138 M  To calculate :-  mass of NaOH…

Q: 400.0 mL of a 0.455 M solution of NaCl is diluted to 900.0 mL. What is the new concentration of the…

A: Given, 400.0 mL of a 0.455 M solution of NaCl is diluted to 900.0 mLwe are asked to calculate the…

Q: How would you prepare a 50.0 mL portion of 2.50 M sodium hydroxide solution? (b) The stock room has…

A: Molarity is defined as number of solute present in 1000 ml of solution . Mole=…

Q: stock solution of Mg(NO3)2 is available to prepare solutions that are more dilute. Calculate the…

A:

Q: 9. What volume of glacial acetic acid (in mL) is needed to prepare 200. ml of a 0.230 M acetic acid…

A:

Q: I take 200.mL of a 6.0 M HCI stock solution and add 400.mL of water to it. What it the new…

A: Welcome to bartleby ! We have to calculate molarity of final solution

Q: Determine the amount concentration of a solution when 6.55 g of lithium phosphate is dissolved to…

A: We have given 6.55 gm of lithium phosphate Moles of lithium phosphate in 6.55 gm of lithium…

Q: Determine the molarity of a solution made by dissolving 1.31 moles of CaCl2 in enough water to make…

A: The moles of CaCl2 is = 1.31 moles The volume of the solution is = 250.0 mL The molarity of the…

Q: A solution is made by adding 71.2 g of Na2S to water until the solution volume is 500.0 mL.  What is…

A: Mass of the Na2S is 71.2 g Volume of solution is 500 mL = 0.500 L Molarity of a solution can be…

Q: What volume in mL of an 18.4 M H2SO4 molar mass= (98.08 g/mol) solution is needed to make 500.0 mL…

A:

Q: A venti pour Blonde Roast coffee from Starbucks contains 232 mg of Caffeine (C8H10N4O2) per 20.0…

A: Given ,          mass of caffeine=232 mg=0.232 g        volume of solution-20.0 fluid ounces

Q: To prepare 50 ml of a 100 mM solution of NaCl, a researcher should add___(volume with units) of the…

A: Given: The molarity of the stock solution is 1 M. The molarity and volume of the final solution are…

Q: Given a stock solution of 30% (w/w) hydrogen peroxide, how much solution, in mL, would you need to…

A: Given 30% (w/w) hydrogen peroxide 100.0 mL of a 5.0 M hydrogen peroxide solution Molar mass of…

Q: 1. Convert 5% by mass acetic acid (MM = 60.052 g/mol) to molarity. 2. How many moles of acetic acid…

A: PART 1.Given:mass % of acetic acid =5% (m/m)Let, mass of acetic acid= 5g∴ mass of solution =100gmass…

Q: A chemist prepares a solution of iron(III) bromide (FeBr,) by measuring out 420. g of iron(III)…

A: Given :  Mass of FeBr3 = 420. g  Volume of solution = 350 mL  To calculate :  Concentration of…

Q: You measure 7.6mL of 1:1.92 bromine to acetic acid solution. How many moles and grams of bromine and…

A: It's mentioned that they measure 7.6mL of 1:1.92 bromine to acetic acid solution. We need to find…

Q: A stock solution of NaCN is available to prepare solutions that are more dilute. Calculate the…

A:

Q: an experiment you need 2.6 liters of of 1.6 M NaOH.  In the stockroom you have 5.8 M NaOH.  How many…

A:

Q: What is the molarity of barium sulfide in the resulting solution?.

A: Molarity is the ratio of number of moles of solute to the volum le of solution (in L)

Q: Calculate the molarity of the following aqueous KBr solution: 2.67x10 moles of KBr in 1.06x102 mL of…

A: Since you have asked a question with multiple subparts we will solve the first three subparts. If…

Q: Calculate the molarity of the solution when 14 mL of solution contains 0.128 g of ammonium…

A:

Q: A 325 mL sample of solution contains 22.3 g of CaCl2. (a) Calculate the molar concentration of Cl−…

A:

Q: What is the molarity of a solution prepared by dissolving 116.98 g of potassium chloride in 390 g of…

A:

Q: A laboratory assistant needs to prepare 166 mL of 0.152 M CaCl2 solution. How many grams of calcium…

A: Given  Volume to prepare CaCl2=166 mL Concentration of CaCl2= 0.152 M The gram of CaCl2 required has…

Q: How many grams of nickel(II) nitrate, Ni(NO3)2 , must be dissolved to prepare 200. mL of a 0.233 M…

A: Given data,Molarity of Ni(NO3)2=0.233MVolume of solution=200mLIt is known…

Q: 'm trying to calculate the amount of sucrose in Cola. volume=50mL mass = 54.2060 g Density=…

A: Number of moles of sucrose is equal to the mass of sucrose divided by molar mass of sucrose.

Q: How many milliliters of 6.052 M HCl are required to make 500.0 mL of a solution containing 7.150 mg…

A:

Q: How many milliliters of an aqueous solution of 0.243 M potassium nitrate is needed to obtain 11.4…

A: Using The formula of Molarity , we can find required parameter like weight or volume from given…

Q: Calculate the molarity of the solution when 1005 mL of solution contains 0.037 g of barium acetate.…

A: Given: Mass of barium acetate=0.037 g Volume of the solution=1005 mL=1005/1000=1.005L…

Q: What volume of a 1.63 mass % solution of Mg(NO3)2 is needed to contain 0.316 grams of Mg(NO3)2. The…

A:

Q: What volume of 1.11 M KMnO4, in liters, contains 471 g of solute? Volume= L

A:

Q: A student measured out 890. mL of an acetic acid solution with a concentration of 0.727 M. How many…

A:

Q: A) Please calculate the molarity of a 578.0mL solution that contains 7.899g of calcium chloride…

A: (A.)  Mass of CaCl2 = 7.899 g Molar mass of CaCl2 = 110.98 g/mol No.of moles of CaCl2  = 7.899…

Q: 0.22g of calcium chloride (110.98 g/mol) is dissolved into 50mL of water. It is labeled "Solution…

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

Q: A) How many mL of a 0.158 M aqueous solution of sodium nitrate, NaNO3, must be taken to obtain 1.58…

A: Given,  A) How many mL of a 0.158 M aqueous solution of sodium nitrate, NaNO3, must be taken to…

Q: A solution is prepared by dissolving 41.7 g cesium chloride in 60.0 g water. The volume of the…

A: The molarity of the solution has to be calculated,

Q: A 501-mL sample of a 0.184-M CaCl2  solution is left on a hot plate overnight; the following…

A: Given: Initial volume of sample=501 mLInitial molarity of sample=0.184 MFinal molarity of…