19. A solution of hydrogen peroxide is 30.0% H2O2 by mass and has a density of 1.11 g/cm3. The molarity of the solution is: (A) 7.94 M (B) 8.82 M (C) 9.79 M (D) 10.5 M (E) 0.980 M

23. Which of the following statements is true about the octahedral complexes of Ni2+? (A) Both strong- and weak-field complexes are paramagnetic. (B) The strong-field complex is paramagnetic and the weak-field complex is diamagnetic. (C) Both strong- and weak-field complexes are diamagnetic. (D) The strong-field complex is diamagnetic and the weak-field complex is paramagnetic. (E) none of these

19. A solution of hydrogen peroxide is 30.0% H2O2 by mass and has a density of 1.11 g/cm³. The molarity of the solution is:
(A) 7.94 M
(B) 8.82 M
(C) 9.79 M
(D) 10.5 M
(E) 0.980 M

相關試題

相關試卷

19. A solution of hydrogen peroxide is 30.0% H2O2 by mass and has a density of 1.11 g/cm3. The molarity of the solution is:(A) 7.94 M(B) 8.82 M(C) 9.79 M(D) 10.5 M(E) 0.980 M

相關試題

相關試卷

19. A solution of hydrogen peroxide is 30.0% H2O2 by mass and has a density of 1.11 g/cm³. The molarity of the solution is:
(A) 7.94 M
(B) 8.82 M
(C) 9.79 M
(D) 10.5 M
(E) 0.980 M