Question 18 If a 45.0 mL sample of 2.20 M Na2SO4 is diluted to yield a final solution that is 0.110 M in sodium ions, what is the volume of the final solution? O a. 450 mL O b. 1800 mL O c. 900 mL O d. 110 mL O e. 4500 mL

Q: Calclate the grams of NaCl contained in 733.7 milliliters of a 0.870 M solution of NaCl. A. 32.0 B.…

A: Provided volume (V) of NaCl=733.7 ×10-3 Provided Molarity (M)= 0.870M Molar mass of NaCl= 58.44g/mol…

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: Calculate the mass in grams of 5.00 x 1020 H2O molecules. A. 0.0150 g H2O B. 0.0275 g H2O C. 0.0325…

A: Recall the data, Number of water molecules= 5.00×1020 molecules  MM of water = 18 g mol-1

Q: 20. 50 ml of a 0.874 M HNO3 solution is diluted to 0.250 l.  What is the concentration of the…

A: Given values: Initial volume: V1 = 50 mL Initial concentration: C1= 0.874 mL Final volume: V2 = 0.25…

Q: Determine the molarity of a solution formed by dissolving 97.7 g LiBr in enough water to yield 750.0…

A:

Q: 40.00 mL of 1.50 M acid is added to 100.00 mL of water, what is the final concentration (molarity)?…

A: To find: Concentration of acid when 40.00 mL of 1.50 M acid is added to 100.00 mL of water.

Q: In the standardization of NaOH solution, 0.5211 g potassium hydrogen phthalate (204.22 g/mol) is…

A: Formula used : Molarity = no. of moles/ volume (Lt)

Q: Calculate the mass, in grams, of solute present in each of the following solution a. 310. g of 1.39%…

A: Dear student since you have posted multiple parts question, As per BARTLEBY QnA guidelines we are…

Q: A concentrated solution of NaOH is 50% NaOH by mass and has a density of 1.54 g.ml. if 25 mL of this…

A:

Q: How many moles of solute are present in each of these solutions? a. 51.7 mL of 4.4 M H₂SO4 mol H₂SO4…

A: we are given 4 different solutions and we have to find moles of solution

Q: What is the molarity of a solution prepared by dissolving 0.178 moles of KI in enough water to make…

A: Given, n= 0.178 mol. Volume = 750 mL                = 0.75 mL.

Q: How many grams of C2H5OH (Molar mass 46.07) are needed to prepare 3.75 x 102 mL of a 0.0325 M C2H5OH…

A: The concentration of a solution is related to the number of moles and the volume of the solution by…

Q: Which of the following solutions contains the greatest number of ions? a. 100.0 mL of 1.0 M sodium…

A: Given the following solutions : a. 100.0 mL of 1.0 M sodium nitrate b. 100.0 mL of 1.0 M iron(III)…

Q: 27. A student dissolves 196 g of H3PO4 in enough water to make one liter of solution. The molarity…

A: According to our policy, we should solve one question ( If any subparts present then we will solve…

Q: what volume will I

A:

Q: 3. What is the molarity of KI in a solution that is 5.00% KI by mass and has a density of 1.038…

A: Answer:- this question is answered by using the simple concept of calculation of molarity using the…

Q: 3. What is the molarity of KI in a solution that is 5.00% KI by mass and has a density of 1.038…

A: Given: The density of solution = 1.038 g.cm-3. The mass of KI (potassium iodide) = 5% of the…

Q: What mass of K2CO3 is present in 0.575 L of a 0.611 M Na2CO3 solution? a. 130.1 g b. 146.8 g c. 65.7…

A:

Q: 0,500L 40.03 19. What volume of a 1.5 M KOH solution is needed to provide 3.0 moles of a. 3.0 L c.…

A: In the given question, molarity and moles are given. We are asked to find the volume of the…

Q: A 50.0 mL sample of X molar HC1 solution is diluted with water to make 350. ml of 0.0152 M HC1…

A: M1V1 = M2V2  M1 = initial molar concentration  V1 = initial volume  M2 = final molar concentration…

Q: What volume of 1.27 M HCl is required to prepare 197.4 mL of 0.456 MHCI? O a. 70.9 mL O b.5.5 x 10²…

A: We have to find the volume of 1.27 M HCl is required to prepare 197.4 mL of 0.456 M HCl.

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

A: If a solution having M1 concentration and V1 volume and it is diluted to M2 Concentration and V2…

Q: A 25.00 mL sample of H3PO4 solution is neutralized by exactly 54.93 mL of 0.04345 M Ca(OH)2. What is…

A: Given Data :  1. Volume of H3PO4 = 25.00 mL  2. Volume of Ca(OH)2 = 59.93 mL  3. Molality of Ca(OH)2…

Q: What is the molarity of a solution that is prepared by dissolving 5.61 grams of KOH in enough water…

A:

Q: 4) Which solution has the same number of moles of HCI as 37.5 mL of 0.200 M solution of HCI? A. 12.5…

A:

Q: 5.07 M MgSO4 (MM = 120.4 g / mol) solution has a density of 1.26 g / mL. Calculate the concentration…

A: Molarity of MgSO4 = 5.07 M = 5.07 mol/1L Density = 1.26 g/mL Density = mass ÷ volume

Q: What volume (mL) is required from a stock solution of 1.98 M KNO3 to prepare a 750 mL solution of…

A: Given,  Initial volume, V1 = 750 ml  Initial Concentration, S1 = 1.00 M  Final Concentration, S2 =…

Q: In the standardization of NaOH solution, 0.8211 g potassium hydrogen phthalate (204.22 g/mol) is…

A:

Q: .Calculate the molarity of a solution that has 71.215 g  KCldissolved in 625.0 mL water.  The molar…

A: The concentration of a substance can be expressed in different terms. One of the terms is molarity.…

Q: How many grams of solute are present in each of these solutions? a. 51.7 mL of 0.744 M HBr g HBr b.…

A:

Q: How many grams of Na2SO4 are in 100.0 mL of a 0.2500 M solution ? The GFW is 142.07 g. А. 3.55 g В.…

A: Given data: volume = 100 ml , molarity = 0.25 M , molar mass= 142 gm

Q: Solution A is 3.00 M CaCl2. 10.0 mL of solution A are diluted to solution B. 40.0 mL of solution B…

A: Solution-Given M=3 MV=10mLmoles of CaCl2= molarity × volume in litremoles of CaCl= 3  molL×0.01…

Q: A solution of 0.5 M NaOH of volume 100 ml was diluted to 400 ml. What was the Molarity of the…

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

Q: A 20.0 g of Na2CO3 (106.0 g/mol) is dissolved in 75.0 mL of 0.300 M NaOH. What is the molarity of…

A: The mass of Na2CO3 is = 20.0 g The volume of the solution is = 75.0 mL The molarity of NaOH is =…

Q: What volume, in milliliters, of 3.0 M NAOH is needed to prepare 175 mL of 0.20 M NAOH by dilution…

A: In this question, we have to find out the correct answer of given problem by the help of the…