What approximate value of 0.40 m ba(oh)2

Similar questions

Q.

What volume of 0.10 MH2SO4 must be added to 50 ml of a 0.10 M NaOH solution to make a solution in which the molarity of theH2SO4 is 0.050 M?


Q.

What volume of 0.10 M H2SO​​​4 must be added to 50ml of 0.10 M NAOH solution to make a solution in which the molarity H2SO​​​4 is 0.050 M!?

Q. What approximate volume of 0.40 M Ba(OH)2 must be added to 50.0 mL of 0.30 M NaOH to get a solution in which the molarity of the OH ions is 0.50 M?

Q. A 15 mL sample of 0.20M MgCl2 is added to 45 mL of 0.40M AlCl3, what is the molarity of Clions in the final solution?

Q. What volume of 0.01 M H2SO4 must be added to 50ml of 0.01M NaOH solution to make a solution in which the molarity of the H2SO4 is 0.050M?

Express your answer using two decimal places.

What approximate value of 0.40 m ba(oh)2

Barium hydroxide is a strong base for both stages of dissociation:

#"Ba"("OH")_2(s) -> "Ba"^{2+}+2"OH"^-#

So the solution will have 0.20 M hydroxide ions. Now use the autodissociation product for water:

#["H"^+]["OH"^-]=1.0xx10^{-14}"M"^#
#["OH"^-]=2.0xx10^{-1}"M"#
#["H"^+]=5.0xx10^{-14}"M"#

And then

#"pH"=-log_{10}(["H"^+]=5.0xx10^{-14})=13.30#.