2. How would you prepare 250 milliliters of a 172% creosol solution Creosol comes in liquid...
28 How many milliliters of a 4.0% (w/v) solution must be used to prepare 250 mL of a 0.080% (w/v) solution? A 5.0 mL B 2.5 mL 0.50 mL D 25 mL
(a) How many milliliters of a stock solution of 11.0 M HNO, would you have to use to prepare 500 mL of 0.200 M HNO,? ml (b) If you dilute 21.0 mL of the stock solution from part a) to a final volume of 3.00 L, what will be the concentration of the diluted solution? (Watch the 7. -13 points My (a) How many milliliters of a stock solution of 12.0 M HNO, would you have to use to prepare...
how many milliliters of a stock solution of 2.00 M KNO3 would you need to prepare 100.0 mL of 0.150 M KNO3?
how many milliliters of a 0.25 M HCl solution would be used to prepare 100.0 mL of a 0.050 M solution of the acid?
How many milliliters of a stock solution of 8.50 M MgCl2 would you have to use to prepare 650.0mL of a 1.60 M MgCl2 solution?
How many milliliters of pure liquid methanol (CH3OH, MW = 32.04 g/mol) are needed to prepare 250.0 mL of an aqueous solution of 19.0 g/L methanol? The density of pure liquid methanol is 0.791 g/mL. Then, express the methanol concentration as a volume percent (% v/v).
Given a bottle of sodium sulfate decahydrate, how would you prepare 250 mL of a solution that is 1.50 M in sodium ion?
A) How many milliliters of a stock solution of 7.00 M HNO3 would you have to use to prepare 0.150 L of 0.530 MHNO3? B) If you dilute 11.0 mL of the stock solution to a final volume of 0.340 L, what will be the concentration of the diluted solution?
How many milliliters of 4.57 M potassium bromide solution would be needed to prepare 1.00 L of 2.08 M potassium bromide solution?
A. How many milliliters of a stock solution of 5.60 M HNO3 would you have to use to prepare 0.180 L of 0.530 M HNO3? B. If you dilute 20.0 mL of the stock solution to a final volume of 0.350 L , what will be the concentration of the diluted solution?