How much 0.7 M CaCl2 solution is required to make 381 mL of a 0.4 M CaCl2 solution? Answer in

Q: The quantity of sodium fluoride required to make 75 mL of a 10 ppm solution of sodium fluoride is…

A: In this question, we will determine the mass of sodium fluoride in mg unit which is dissolved in…

Q: How many mL of stock solution that has a concentration of 7.47 must be added to water to obtain 349…

A:

Q: What volume (mL) of a concentrated solution of sodium hydroxide (6.00 M) must be diluted to 200. mL…

A: On dilution number of moles remain same.

Q: Explain how you would prepare 1250 mL of a 0.150 M Na2SO4 solution

A:

Q: Dilution Problems Worksheet (M1V1 = M2V2) 1. How much of a 15.0 M stock solution do you need to…

A: Hydrogen fluoride is a chemical compound which have chemical formula HF. This is colourless gas or…

Q: If 20.0 mL of a 6.0M HNO3 is diluted to 120mL, what is the final molarity of HNO3 after dilution?

A: Given data contains, Initial volume is 20.0 mL=0.02 L. Initial molarity is 6.0M HNO3. Final volume…

Q: What mass of Na2SO4 is needed to prepare 350. mL of a solution having a sodium ion concentration of…

A: The concentration of sodium ion=0.125 M Volume of solution =350 mL   Number of millimoles of sodium…

Q: What volume (mL) of standard NaOH solution is needed to neutralize 24.2 mL of 0.9978 M HCl solution,…

A: We have 24.2 ml of 0.9978 M of HCl, 5.13 g of KHP was used to standardize 12.7 mL of the NaOH…

Q: Part A What is the final concentration of potassium permanganate when 250.mL of a 5.250x10-2M…

A: whenever we mix 2 solutions of same solute, The final concentration is given by  concentration final…

Q: What is the molarity (molar concentration) of a NaOH solution which required 20.00 ml of this…

A: Molarity is defined as total number of solute present in 1000 ml of solution .   For neutralisation…

Q: Procedure calls for preparing a .1m solution of cleaning solution, with hydrochloric acid in water.…

A: molality (m) :    moles of solute present in 1Kg of solvent is called molality (m)  Units :…

Q: You need to prepare a 820. ml of a 0.500M solution of sulfuric acid (H2SO4). If the stock bottle has…

A: Given, V1 = 820 ml, M1 = 0.5 M V2 = ? , M2 = 18 M

Q: What volume of 6.00 M NaOH is required to prepare 100.0 mL of 0.100 M NaOH?

A: According to the dilution law of solution we can prepare low concentration of solution from a high…

Q: Calculate the mass (in g to 1 decimal place) of ZnCl 2 needed to make 102 mL of a 2.84 M solution.

A: Concentration of ZnCl2 = 2.84 M Volume of ZnCl2 = 102 ml = .102 litre Moles of ZnCl2 = .102 × 2.84 =…

Q: You are instructed to prepare 500 mL of a solution that is 1.5 M NaOH. You have available a stock…

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Q: Calculate the molarity of a sodium hydroxide solution that has a volume of 1,634.6ml and contains…

A: Molarity is defined as the number of moles of solute present per liter of the solution. It is…

Q: Prepare 100 ml of 1.0 M ammonia solution by diluting 25% ammonia solution (ρ = 0.910). How much…

A: Given: Density of stock solution = 0.910 g/mL. Volume of solution to be prepared = 100 mL.…

Q: What is the solution of 6.5ml to cm³?

A: 1 ml is equivalent to cm3.

Q: How many milliliters of 5.1 M M HCl HCl solution are needed to obtain 0.10 mol mol of HCl HCl ?

A:

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: 7.5 g of acetic acid (C2H4O2) are diluted to 150 mL with water. What is the molarity of the acetic…

A: Molarity is defined as  number of moles of solute present in one litre of Solution  M = n/ v (in L)…

Q: How many grams of H3PO4 are in 17.5 mL of a 4.5 M solution of H3PO4?   Group of answer choices:…

A:

Q: GIVEN 5.0 mL of 2.0M barium chloride (BaCl2) 5.00 mL of sulfuric acid 5 mL of 1.0 M HCl

A:

Q: How many liters of 4.3 M Li2O solution are required to make 5L of 2.1 M Li2O

A: Formula

Q: A 16.9 gram sample of KCl is used to make a 250. mL KCl solution. What is the molarity of the KCl…

A: Mass of KCl and volume of KCl solution are given whose molarity is to be determined.

Q: Determine the amount of solute needed to make 125 mL of saturated solution of sodium nitrate at 10…

A: The volume of the solution is = 125 mL The temperature of the solution is = 10oC The mass of the…

Q: How many milliliters of diluent should be added to a 2.00 mL if aliquot taken from a mother liquor…

A: In case of dilution of any electrolyte, the number of moles (or millimoles) of the electrolyte will…

Q: QUESTION 9 What concentration would you get if you diluted 0.600L of 1.000 M copper(II) sulfate…

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Q: How many milliliters of 11.5 M HCl(aq)11.5 M HCl(aq) are needed to prepare 155.0 mL155.0 mL of 1.00

A:

Q: 100 mL of 0.1 M sodium fluoride d 100 mL of 0.1 M sodium fluoride uoric acid and 50 mL of 0.1 M NAOH…

A: Last two are not buffer solution because acid mixed with acid ( HF + HCl ) and base mixed with base…

Q: mL

A:

Q: How many liters of 11.9 M HCL will be required to make 0.250L of 2.00 M HCL

A: M1V1= M2V2

Q: Fifty milliliters (mL) of a 0.10N solution of sodium thiosulfate, Na2S2O3, is to be diluted to make…

A: Dilution It is the process of addition of solvents to obtain a less concentrated solution than the…

Q: Concentration Units. Follow the format. Given: Formula: Calculations and answer: 6. lf you dissolve…

A: Given :  Moles of HCl =0.70 mol Volume = 250 mL = 0.250 L  Formula :  1) Molarity -  Molarity (M) =…

Q: Let’s say you had a 3.45 M solution of salt and you diluted it. What would you do to dilute it? What…

A: Initial molarity of salt solution = 3.45  How to dilute this solution ?  Effect on initial molarity…

Q: How much water is needed to prepare 340 mL of a 4 M solution from a 20 M stock solution?

A:

Q: You need 500 mL of a 0.5 M iron(III) chloride solution. You only have a 3.0 M FeCl3 solution on…

A: The volume of the Stock Solution can be calculated as -

Q: How many milliliters of 9.0 M H2SO4 are needed to prepare 500. mL of 0.25 M H2SO4?

A: This question is based on Dilution equation. The formula for the dilution equation is as follows:…

Q: Maria needs to dilute her stock of 15.0 M HNO3 solution for an experiment. She wants to prepare 525…

A: Given  Initial Molarity of HNO3 solution ( M1 ) = 15 M  Final Molarity of HNO3 solution ( M2 )  = 1…

Q: what will the concentration be if I ADD 560 mL more water to it?

A: Given :-  initial concentration = 0.50 M  initial volume = 340 mL  To calculate :- concentration of…

Q: How do you prepare 60.0ml of 0.2m HNO3 from a stock solution of 4m HNO3?

A: Conc of stock solution is 4m Let consider vme 4m stock solution is required to prepare 60ml 0.2…

Q: You have 115.6mL of a 4.55M MgCl2 solution. You want to make a 2.33M MgCl2 solution, howmuch water…

A: From dilution law M1V1 = M2V2 we can find the final volume because on dilution the number of moles…

Q: What volume of water is required to make a 0.09 M MgCl2 solution staring with 0.33 g of MgCl2.…

A: We know that, Molarity = Number of moles/Volume (L) Number of moles = Given mass/Molar mass Molar…

Q: What volume of 0.92 N CaCO, solution contains 207.4 grams of CaCO,2 Answer

A: Given  Mass of CaCO3  = 207.4 gram  Normality of CaCO3 solution  = 0.92 N  Volume of solution = ?

Q: How much Zn(NO3)2 is in 354 of a 5.80% (m/m) percent solution

A: IN the above question         5.8% (m/m) means 100gm of solution contains 5.8 gm of  Zn(NO3)2 .

Q: You have 0.5 ml of a stock solution of 1 mg/ml BSA. You need at least 200 µl of the solutions listed…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Concentration Units. Follow the format. Given: Formula: Calculations and answer: 9. How much 0.075 M…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: If I need 307mL of 2 Molar solution of KBr how many milliliters of solution must I take from a 8M…

A: Given :-  final concentration of solution = 2M final volume of solution = 307 mL  initial…

Q: How many milliliters of a 0.350M KOH solution contain 0.0171mol of KOH?

A:

Q: Question:- how to do 1:100 dilution for 100ml of a solution?

A: Dilution is the method to add more solvent and the concentration of the solution decreases.