What is the molarity of the solution prepared by diluting 25.0ml of 0.220M NaCl to 75.0ml of final volume?( explain your steps)
 👍
 👎
 👁
 ℹ️
 🚩
1 answer

There is no "explanation" as I see it.
mL x M = mL x M is the dilution formula or you can do it as
0.220M x (25/75) = ??
Also, you can say you have diluted it by a factor of 3 (25 to 75); therefore, it must be 1/3 of the original concn. 👍
 👎
 ℹ️
 🚩
answered by DrBob222
Answer this Question
Related Questions

chemistry
A KNO3 solution is made using 88.4g of KNO3 and diluting to a total soultion volume of 1.50l. Calculate the molarity and mass percent of the solution. Assume a density of 1.05 g/mL for the solution.
 asked by Monique
 3,947 views

chemistry
calculate the mass, in grams, of NaCl present in each of the following solutions. 6.25 g of 11.5% NaCl solution 452 g of 12.3% NaCl solution please show me how to do these. Thanks.
 asked by pat
 3,177 views

CHEM
Help on part "c": The forensic technician at a crime scene has just prepared a luminol stock solution by adding 19.0g of luminol into a total volume of 75.0mL of H2O. a)What is the molarity of the stock solution of luminol? anwer I got: molarity of luminol
 asked by K
 24,814 views

chemistry
calculate the molarity of the solution 0.56 mole of BaCl2 in 100.0mL of solution.
 asked by brandy
 5,933 views

chemistry! URGENT
A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 10.0 mg of fluoxymestrone in enough water to give a total volume of 500.0 ml. A 100.0 micro liter aliquot
 asked by Lindsay
 7,698 views

chemistry
a 3.5L sample of a 5.8M NaCl solution is diluted to 55L.What is the molarity of the diluted solution
 asked by Monique
 8,525 views

Chem
Plese tell me if these are right. A 15.0mL sample of NaCl solution has a mass of 15.78g. After the NaCl is evaporated to dryness, the dry salt residue has a mass of 3.26g. Calculate the following concentrations for the NaCl solution. a. %(m/m)= 3.26 x 100
 asked by Jason
 12,781 views

chemistry
Making the simplistic assumption that the dissolved NaCl(s) does not affect the volume of the solvent water, determine the constants m and b in the equation Molarity = m⋅density + b that relates the NaCl molarity to the NaCl(aq) density. Take the density
 asked by Anonymous
 1,148 views

pcc
A volume of 40.0mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 21.7mL of 1.50 M H2SO4 was needed? The equation is
 asked by jose
 5,716 views

ap chem
If 26.0mL of AgNO 3 is needed to precipitate all the Cl −ions in a 0.750mg sample of KCl (forming AgCl), what is the molarity of the AgNO 3 solution
 asked by ally
 1,811 views

chemistry
Calculate the molality of a 2.50 molarity NaCl solution. Density of solution = 1.08 g/ml.
 asked by Anonymous
 4,384 views

Chemistry
A solution of ethanol (C2H5OH) in water is prepared by dissolving 61.9 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?
 asked by Andrea
 2,214 views

Chemistry
1) You are given solutions of HCl and NaOH and must determine their concentrations. You use 37.0mL of NaOH to titrate 100mL of HCl and 13.6 mL of NaOH to titrate 50.0mL of 0.0782 M H2SO4. Find the unknown concentrations. Molarity of NaOH and molarity of
 asked by Ashley
 1,645 views

Chemistry
What NaCl concentration results when 209 mL of an 0.660 M NaCl solution is mixed with 492 mL of a 0.270 M NaCl solution? __ mol/.209 L = 0.660 M __ mol/.492 L = 0.270 M .. I have no idea how to solve this. I have no idea why I even set up the equation
 asked by Katherine
 5,789 views

chem
a solution is prepared with 3.26g kcl and water to make 25.0ml,of kcl,what is the %(m/V) of the kcl solution.
 asked by michelle
 3,874 views

Chemistry
Ringer's solution, used in the treatment of burns and wounds, is prepared by dissolving 8.6 g of NaCl, 0.30 g of KCl, and 0.33 g of CaCl2 in water and diluting to a volume of 1.00 L. What is the osmolarity of Ringer’s solution?
 asked by Mike
 1,842 views

Chemistry
I have 93.954 mL of a generic cola solution. The solution contains: Molarity of H++1.005e7 Molarity of OH = 1.005e7 Molarity of Sucrose(aq) = 6.386e1 Molarity of Dye= 5.322e3 Calculate the mass percent, molarity, molality and mole fraction.
 asked by Emily
 557 views

chemistry
The molarity of urea in a solution prepared by dissolving 16 g of urea (MW 60.0g/mol) in 39 g of H2O is ______M. The density of the solution is 1.3 g/ml.
 asked by CC
 4,966 views

Chemistry
1. Not sure of how to do the calculations... Make a 0.200 m solution of NaCl in a 100. mL volumetric flask. ... Solution A's question or statement is the same but with M (molarity) Is this right? The small m means molality. If it were changed to capital M,
 asked by A
 688 views

Chemistry
What is the molarity of the final solution of 2.00mL of the 5.00M stock solution is diluted to 10.00mL to make solution A. Solution A undergoes a second dilution by taking 3.00mL solution A and diluting it to 25mL? I'm so confused by this. Please help.
 asked by jamie
 1,551 views
Still need help?
You can ask a new question or browse existing questions.