Question

19. Calculate [H$_3$O$^+$] and [OH$^-$] for each solution: a. 0.00165 M HNO$_3$ b. 0.0087 M KOH c. 0.00213 M Sr(OH)$_2$ d. 5.8 \times 10$^{-4}$ M HI 20. Among the following ions, several pairs are isoelectronic. Identify these pairs. Fe$^{2+}$, Sc$^{3+}$, Ca$^{2+}$, F$^{-}$, Co$^{2+}$, Co$^{3+}$, Sr$^{2+}$, Cu$^{+}$, Zn$^{2+}$, Al$^{3+}$.

          19. Calculate [H$_3$O$^+$] and [OH$^-$] for each solution:
a. 0.00165 M HNO$_3$
b. 0.0087 M KOH
c. 0.00213 M Sr(OH)$_2$
d. 5.8 \times 10$^{-4}$ M HI
20. Among the following ions, several pairs are isoelectronic. Identify these pairs. Fe$^{2+}$, Sc$^{3+}$,
Ca$^{2+}$, F$^{-}$, Co$^{2+}$, Co$^{3+}$, Sr$^{2+}$, Cu$^{+}$, Zn$^{2+}$, Al$^{3+}$.

19. Calculate [H3O^+] and [OH^-] for each solution:
a. 0.00165 M HNO3
b. 0.0087 M KOH
c. 0.00213 M Sr(OH)2
d. 5.8 ×10^-4 M HI
20. Among the following ions, several pairs are isoelectronic. Identify these pairs. Fe^2+, Sc^3+,
Ca^2+, F^-, Co^2+, Co^3+, Sr^2+, Cu^+, Zn^2+, Al^3+.

Added by Patrick R.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Adi S

11/18/2023

Step 1

0.00165 M HNO HNO dissociates into H+ and NO3-. [H+] = 0.00165 M [OH-] = Kw / [H+] = 1.0 x 10^-14 / 0.00165 = 6.06 x 10^-12 M [HO] = [OH] = 6.06 x 10^-12 M b. 0.0087M KOH KOH dissociates into K+ and OH-. [OH-] = 0.0087 M [H+] = Kw / [OH-] = 1.0 x 10^-14 / 0.0087 Show more…

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19.Calculate[HO] and[OH] for each solution a.0.00165 M HNO b.0.0087M KOH c.0.00213 M Sr(OH)2 d.5.8 104 M HI 20. Among the following ions, several pairs are isoelectronic. Identify these pairs. Fe2, Sc3 Ca2+, F-, Co2+, Co3+, Sr2+, Cu, Zn2+, Al3+.