Chemistry
posted by Many .
What volume of a 0.5 M solution is required to prepare 250 mL of a 0.15M solution? (Note: M = mole per Litre)
Is 175ml correct?

No. 175 is not correct. Use the dilution formula of
c1v1 = c2v2
c = concn
v = volume
0.5M x v1 = 0.15 x 250
v1 = ?
Respond to this Question
Similar Questions

Chem
Calculate the concentration in mol per litre of ammonium ions in a solution solution prepared by mixing 360.0mL of 0.250 mol per litre ammonium sulphate solution with 675.0mL of 1.20mol per litre ammonium nitrate solution. Assume solution … 
Chemistry
A laboratory technician is required to prepare a quarter normal saline solution (0.22% w/v) from the stock normal saline solution. 1. What is the dilution factor required? 
chemistry
what is the molarity of a solution containing 1 mole of urea per litre of the solution ? 
Chemistry
What volume of a 0.5 M solution is required to prepare 250 mL of a 0.15M solution? 
chemistry
25ml of a solution of na2c03 having a specific gravity of 1.25g ml required 32.9ml of a solution of hcl containing 109.5g of the acid per litre for complete neutralization. Calculate the volume of 0.84N Hes04 that will be completely … 
chemistry
25ml of a solution of na2c03 having a specific gravity of 1.25g ml required 32.9ml of a solution of hcl containing 109.5g of the acid per litre for complete neutralization. Calculate the volume of 0.84N heso4 that will be compltetly … 
Chemistry
25g of a sample of ferrous sulphate was dissolved in water containing dilute h2s04 and the volume made up to one litre. 25ml of this solution required 20ml of N/10 kmn04 solution for complete oxidation. Calculate the percentage of … 
Chemistry
4 Questions on molarity that I really don't understand. I have the formulas, but they don't seem to fit in to the question right. Please take a look, thanks! 1. Calculate the weight, in grams, of HNO3 present in 1.0 litre of 0.10M … 
chemistry
When 25 mL of C2H5OH (density 0.80 g.cm3) is dissolved in water to prepare a 250 mL solution, the density of the solution was found to be 0.950 g.cm3. Calculate a. Molarity of pure ethanol; b. Molarity of ethanol in the final solution; … 
ScienceChemistry(mole concept)
How many kg of wet NaOH containing 15% water are required to prepare 70 litre of 0.5N solution?