Next week, you will use the dried NaCI to create a solution. Why is it beneficial to dry any hydroscopic solid prior to weighing out the solid to make a solution? 5. If you wanted to accurately prepare 500 mL of a 1.500 M solution of NaCI, how would you do this? Include the mass of NaCI needed as well as all tools used in preparing this solution.

Q: 100.0 mL of a 0.500 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the…

A: The given problem relates to stock dilution, so we can use the below relation to calculate the final…

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: Determine the moles of sodium carbonate that need to be taken from the concentrated solution. (To…

A: Given data : Concentrated solution conc. (M1) = 2.80 M Diluted solution conc. (M2) = 0.200 M Diluted…

Q: 3. As part of an experiment, you need to make 150 mL of a 0.750 M ammonium hydroxide solution from…

A: Molarity of the required solution, C = 0.750 M or 0.750 mol/L  Volume of the required solution, V =…

Q: You need to make an aqueous solution of 0.140 M manganese(II) sulfate for an experiment in lab,…

A: we have to calculate mass of manganese(II) sulfate needed to prepare the solution

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: 100.0 mL of 2.500 M KBr solution is on hand. You need 0.5500 M. How much water should be added to…

A: The objective of this question is to find out how much water should be added to a 2.500 M KBr…

Q: You wish to make a 0.395 M hydrochloric acid solution from a stock solution of 6.00 M hydrochloric…

A: Given: Initial concentration of HCl (M1) = 6.00 M Final concentration of HCl after dilution (M2) =…

Q: it takes a solution 37.00ml of a 0.150 M solution of potassium hydroxide to completely react with…

A: Given information: Volume of KOH is found to be 37.00 ml = 0.037 L. Molarity of KOH is found to be…

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: In the laboratory, a student adds 46.1 mL of water to 21.0 mL of a 0.779 M perchloric acid solution.…

A:

Q: The concentration of a solution of lithium chlorite dissolved in water is 12.5% by mass. In a…

A: Given, mass % of lithium chlorite dissolved in water = 12.5 % mass of water = 52.5 g mass of sample…

Q: Hard water often contains dissolved Ca²+ and Mg2+ ions. One way to soften water is to add…

A: Given,Molarity of CaCl2 = 0.055 MMolarity of Mg(NO3)2 = 0.090 Mvolume of the solution = 1.0 L

Q: What mass of sodium chloride will you need to weigh out

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

Q: What volume of a 0.288 M hydrobromic acid solution is required to neutralize 22.2 mL of a 0.169 M…

A:

Q: A 1.0 L solution of .50 M HCI is diluted to a new volume of 2.5 L. What is the concentration of the…

A: Given that, Initial volume (V1) = 1.0 L Initial concentration of HCl (M1) = 0.50 M Final volume (V2)…

Q: 1. You need to make an aqueous solution of 0.214 M barium acetate for an experiment in lab, using a…

A:

Q: Mollie Cule prepared two solutions potassium chloride and barium chloride. However, she forgot to…

A: Solutions prepared by Molie-  Potassium chloride and Barium chloride. Access to solutions - sodium…

Q: At your next lab assignment, you are instructed to prepare 250 mL of 0.500 mol/L HCl by dilution of…

A:

Q: if you want to make 1000.0 mL of a 0.150 M solution starting with a standard solution of 0.550 M,…

A:

Q: Consider sodium sulfate. a. Classify this compound as a strong electrolyte, a weak electrolyte, or a…

A: Electrolytes are classified into 3 categories as, 1) Strong electrolytes are those species which…

Q: A. 1.00 gram calcium hydroxide in 3.00 liters solution B. 17.0 g potassium dihhydrogen phospate in…

A: Molarity of a solution is generally known or defined as moles of solute divided by volume of…

Q: Calculate the amount of 12.0 M NaOH stock solution which must be used to make 500.0 mL solution of…

A:

Q: In the laboratory a student combines 47.9 mL of a 0.388 M potassium bromide solution with 29.4 mL of…

A: KBr + K2CO3 Ions will be K+, Br- & CO3-2

Q: What volume of 17.4 M HCl should be used to prepare 500. mL of a 6.00 M solution of HCl? А. 1450 mL…

A:

Q: When 35.0 grams of KBr are dissolved in 245 grams of water, an expression for the resulting solution…

A: Answer is  a) 35.0 g KBR per 280 g solution

Q: The mass of calcium sulfide that is dissolved in 225 mL of a saturated solution is _____ gram

A: Solubility product is a product of the concentration of ions with the power when the solution is…

Q: A 1.00 M solution has an initial volume of 100. mL. Water is evaporated from this solution, and the…

A: Since initially we have moles of solute = molarity X volume of solution in L = 1 X 100 / 1000 = 0.1…

Q: 10. Describe, using words and calculations, how to get 500.0 mL of a 0.10 M NaOH solution from a…

A: Dilution formula given as M1V1 = M2V2 Where M1 = molarity of stock solution  V1= volume of stock…

Q: A solute was added to a solvent and mixed well. Some of the solute settled to the bottom of the…

A: A  solute was added to a solvent and mixed well. Some of the solute settled to the bottom of the…

Q: Determine the initial volume (in mL) needed to generate each of the following desired solutions by…

A: The formula used here is,M1V1 = M2V2Where,M1 =  Concentration of the stock solution V1 = initial…

Q: B. 4.15 g C. 10.4 g D. 1.49g Q2. A 47.27 g of Ca(OH)2 is dissolved in water to make 2.5 L of…

A:

Q: 7. Using a 6.2 M solution of MGSO3 determine how to make 240 mL of a 1.3 M dilution.

A: Magnesium sulfite is the magnesium salt of sulfurous acid. Its molecular formula is MgSO3. Its most…