What mass of NaOH must be added to enough water to make 1.50 L of solution having pH of 12.80?
What mass of NaOH must be added to enough water to make 1.50 L of solution...
A 0.372-g sample of NaOH(s) is added to enough water to make 250.0 mL of solution. The pH of this solution is:
A 0.377-g sample of NaOH pellets (molar mass = 40.00 g/mol) is added to enough water to make 250.0 mL of solution. The pH of this solution is: Select one: a. 11.974 b. 12.576 c. 0.424 d. 1.424
A 500mL solution of 0.40M HC2H3O2 is made. What mass of NaOH must be added to have a buffer with a pH of 5.20? Ka of Acetic Acid is 1.8*10^-5.
A solution is made by mixing 1.5 g of NaOH (mw=40) in enough water to make a solution with a final volume of 1330 mL What is the pH of the solution?
0.665 grams of a soluble monoprotic acid powder are added to enough water to make 40mL of solution. The solution is then titrated with 0.2M NaOH. The volume of NaOH used in the titration 15.75 mL. What is the molar mass of the soluble acid?
What mass of solid NaOH must be added to 1.0 L of water at 25*C in order to dissolve 10.0 g of Zn(OH)2 (Ksp=4.5x10-17) according to the following reaction? Zn(OH)2 (s) + 2OH- (aq) ------> Zn(OH)42- (aq) The formation constant for Zn(OH)42- is Kf=2.8x1015.
a. Calculate the pH of 200 mL of a 1.50 M solution of HCl? b. What mass of LiOH must be added to 750.0 mL of 0.0550 M HCl to produce a solution having a pOH of 11.500? c. A chemist had 2.000 L of a 0.00120 M KOH solution. What mass of HCl(g) would have to be added to the KOH solution to produce a solution having a pH of 10.875?
Solution A is prepared by dissolving 89.4 g of Na3PO4 in enough water to make 1.50 L of solution. Solution B is 2.5 L of 0.696 M Na2SO4. a) What is the molar concentration of Na3PO4 in Solution A? 0.36 M b) How many millilitres of Solution A will give 2.50 g of Na3PO4? 41.95 mL c) A 50.0 mL sample of Solution B is mixed with a 75.00 mL sample of Solution A. Calculate the concentration of Na+ ions...
30. What is the molarity when 17.26 grams of sodium sulfate is added to water to make a 1.50 L solution? 31. What mass of water is required to dissolve 4.00 g of NaOH to prepare a 10.0% NaOH solution?
What is the molarity of a solution made by dissolving 1.50 g of KOH in enough water to make 1.5 L of solution?