0
How many grams of solid NaOH are needed to prepare 500mL NaOH solution with a concentration of 0.4M?
Wiki User
∙ 12y ago
molarity equals moles of solute /volume of solution in litres . moles of NaOH equals 5g/40g = 0.125 and volume of solution will be volume of water + volume of NaOH = 0.5 litre+0.002 l which is nearly 0.5 litre . (volume of NaOH is calculated by its density) so molarity = 0.125mol/0.5litre = 0.25 M
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
How will you prepare 500ml of 1N KOH solution?
You weight 14,5 gramm KOH in a bottle and than fill that bottle with deionized water till it holds 500ml.
How is a solution of NaOH prepared dissolving 20g of NaOH in 500ml of distiled water solved?
The concentration of this solution (in NaOH) is 40 g/L.
How much ethanoic acid is needed to make 500ml of 0.1M solution?
The answer is 3grams dude!
How many grams of CrNO33 are required to prepare 500.0 mL of an aqueous solution which has a Cr3 concentration of 2.08 M?
Cr(NO3)3-238g/mol Moles in 500ml, 2.08x500/1000=1.04mol. Mass of Cr(NO3)3=1.04x238=247.52g
You are provided with a 1000ppm sodium solution describe how you would prepare a volume of 200ml with a concentration of 5ppm sodium in a two step dilution?
you can only use the following glassware 5 10 20 25 and 50ml pipette 50 100 200 or 500ml volumetric flasks
How many moles of sodium chloride are needed to prepare 500 mL of a 0.250 M solution?
500ml = 500cm3 = 0.5dm3 0.250M = 0.250mol/dm3 number of moles = molarity x volume number of moles = 0.250mol/dm3 x 0.5dm3 = 0.125mol 0.125mol of NaCl is needed to prepare the required solution.
How will you prepare 500ml of 1N KOH solution?
You weight 14,5 gramm KOH in a bottle and than fill that bottle with deionized water till it holds 500ml.
How is a solution of NaOH prepared dissolving 20g of NaOH in 500ml of distiled water solved?
The concentration of this solution (in NaOH) is 40 g/L.
How much ethanoic acid is needed to make 500ml of 0.1M solution?
The answer is 3grams dude!
Prepare 500ml of 0.12N HCL solution?
add 5 ml of 37% HCl to 495 ml Water. This is 0.12 N ;)
What mass of na2s2o3 5h2o is needed to prepare 500.00 ml of 0.1000 m na2s2o3?
Mol.Wt =248.17Molarity =( Wt/ Mol.Wt ) /No:of litres of solution0.1 =( Wt / 248.17) / 0.5Wt =0.1 *0.5*248.17Wt = 12.4085g in 500ml of solution.
How many grams of CrNO33 are required to prepare 500.0 mL of an aqueous solution which has a Cr3 concentration of 2.08 M?
Cr(NO3)3-238g/mol Moles in 500ml, 2.08x500/1000=1.04mol. Mass of Cr(NO3)3=1.04x238=247.52g
You are provided with a 1000ppm sodium solution describe how you would prepare a volume of 200ml with a concentration of 5ppm sodium in a two step dilution?
you can only use the following glassware 5 10 20 25 and 50ml pipette 50 100 200 or 500ml volumetric flasks
How do you prepare 0.5naoh direct pellets?
10gm in 500ml
How would you prepare 500 mL of a 1M solution of acetic acid -HC2H3O2- from a stock solution of 6M of acetic acid?
C1V1 = C2V2 (500ml)(1M) = (Xml)(6M) ( divide both sides by 6 in this case ) = 83.3ml Put this 83.3ml of 6M acid into a 600ml beaker and add 416.7ml to get 500ml total.
The mass of solute in a given volume of solution or mass volume?
Yes, this is exactly it. If you don't have a litre, it is still a certain molarity solution, provided you know the amount of moles. For example. 2 moles in 500ml. If there are 2 moles in every 500ml, there will be 4 moles in every 1000ml, i.e. 4 molar.
How much 100x TAE buffer will it take to make 500ml of 1x TAE solution?
to make 500ml of 1x TAE solution we have to take 5ml of 100x TAE solution. mix it in 495 ml of deionized water.
