Write equations showing the ions present after the following strong electrolytes are dissolved in water. a. \(\mathrm{HNO}_{3}\) b. \(\mathrm{Na}_{2} \mathrm{SO}_{4}\) c. \(A I\left(N O_{3}\right)_{3}\) d. \(\operatorname{SrBr}_{2}\) e. \(\mathrm{KClO}_{4}\) f. \(\mathrm{NH}_{4} \mathrm{Br}\) g. \(\mathrm{NH}_{4} \mathrm{NO}_{3}\) h. \(\mathrm{CuSO}_{4}\) i. \(\quad\) NaOH

Short Answer

Expert verified
a. \(\mathrm{HNO_3} (aq) \rightarrow \mathrm{H^+} (aq) + \mathrm{NO_3^-} (aq)\) b. \(\mathrm{Na_2SO_4} (aq) \rightarrow 2\mathrm{Na^+} (aq) + \mathrm{SO_4^{2-}} (aq)\) c. \(Al(NO_3)_3 (aq) \rightarrow Al^{3+} (aq) + 3NO_3^- (aq)\) d. \(\mathrm{SrBr_2} (aq) \rightarrow \mathrm{Sr^{2+}} (aq) + 2\mathrm{Br^-} (aq)\) e. \(\mathrm{KClO_4} (aq) \rightarrow \mathrm{K^+} (aq) + \mathrm{ClO_4^-} (aq)\) f. \(\mathrm{NH_4Br} (aq) \rightarrow \mathrm{NH_4^+} (aq) + \mathrm{Br^-} (aq)\) g. \(\mathrm{NH_4NO_3} (aq) \rightarrow \mathrm{NH_4^+} (aq) + \mathrm{NO_3^-} (aq)\) h. \(\mathrm{CuSO_4} (aq) \rightarrow \mathrm{Cu^{2+}} (aq) + \mathrm{SO_4^{2-}} (aq)\) i. \(\mathrm{NaOH} (aq) \rightarrow \mathrm{Na^+} (aq) + \mathrm{OH^-} (aq)\)

Step by step solution

01

a. Dissociation of \(\mathrm{HNO}_{3}\)

HNO3 is a strong acid that dissociates completely in water as follows: \(\mathrm{HNO_3} (aq) \rightarrow \mathrm{H^+} (aq) + \mathrm{NO_3^-} (aq)\)
02

b. Dissociation of \(\mathrm{Na}_{2} \mathrm{SO}_{4}\)

Na2SO4 is a salt that dissociates completely in water as follows: \(\mathrm{Na_2SO_4} (aq) \rightarrow 2\mathrm{Na^+} (aq) + \mathrm{SO_4^{2-}} (aq)\)
03

c. Dissociation of \(Al\left(N O_{3}\right)_{3}\)

Al(NO3)3 is a salt that dissociates completely in water as follows: \(Al(NO_3)_3 (aq) \rightarrow Al^{3+} (aq) + 3NO_3^- (aq)\)
04

d. Dissociation of \(\mathrm{SrBr_{2}}\)

SrBr2 is a salt that dissociates completely in water as follows: \(\mathrm{SrBr_2} (aq) \rightarrow \mathrm{Sr^{2+}} (aq) + 2\mathrm{Br^-} (aq)\)
05

e. Dissociation of \(\mathrm{KClO_4}\)

KClO4 is a salt that dissociates completely in water as follows: \(\mathrm{KClO_4} (aq) \rightarrow \mathrm{K^+} (aq) + \mathrm{ClO_4^-} (aq)\)
06

f. Dissociation of \(\mathrm{NH_4Br}\)

NH4Br is a salt that dissociates completely in water as follows: \(\mathrm{NH_4Br} (aq) \rightarrow \mathrm{NH_4^+} (aq) + \mathrm{Br^-} (aq)\)
07

g. Dissociation of \(\mathrm{NH_4NO_3}\)

NH4NO3 is a salt that dissociates completely in water as follows: \(\mathrm{NH_4NO_3} (aq) \rightarrow \mathrm{NH_4^+} (aq) + \mathrm{NO_3^-} (aq)\)
08

h. Dissociation of \(\mathrm{CuSO_4}\)

CuSO4 is a salt that dissociates completely in water as follows: \(\mathrm{CuSO_4} (aq) \rightarrow \mathrm{Cu^{2+}} (aq) + \mathrm{SO_4^{2-}} (aq)\)
09

i. Dissociation of NaOH

NaOH is a strong base that dissociates completely in water as follows: \(\mathrm{NaOH} (aq) \rightarrow \mathrm{Na^+} (aq) + \mathrm{OH^-} (aq)\)

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Which solvent, water or carbon tetrachloride, would you choose to dissolve each of the following? a. \(\mathrm{KrF}_{2}\) b. \(\mathrm{SF}_{2}\) c. \(\mathrm{SO}_{2}\) d. \(\mathrm{CO}_{2}\) {e} .\( \mathrm {M g F}_{2}\) {f .} \(\mathrm {C H}_{2} \mathbf{O}\) g. \(\mathrm{CH}_{2}=\mathrm{CH}_{2}\)

The lattice energy of \(\mathrm{NaCl}\) is \(-786 \mathrm{kJ} / \mathrm{mol}\), and the enthalpy of hydration of 1 mole of gaseous \(\mathrm{Na}^{+}\) and 1 mole of gaseous \(\mathrm{Cl}^{-}\) ions is \(-783 \mathrm{kJ} / \mathrm{mol} .\) Calculate the enthalpy of solution per mole of solid NaCl.

You have a solution of two volatile liquids, \(A\) and \(B\) (assume ideal behavior). Pure liquid A has a vapor pressure of 350.0 torr and pure liquid B has a vapor pressure of 100.0 torr at the temperature of the solution. The vapor at equilibrium above the solution has double the mole fraction of substance A that the solution does. What is the mole fraction of liquid A in the solution?

An aqueous antifreeze solution is \(40.0 \%\) ethylene glycol \(\left(\mathrm{C}_{2} \mathrm{H}_{6} \mathrm{O}_{2}\right)\) by mass. The density of the solution is \(1.05 \mathrm{g} / \mathrm{cm}^{3}\) Calculate the molality, molarity, and mole fraction of the ethylene glycol.

For each of the following pairs, predict which substance is more soluble in water. a. \(\mathrm{CH}_{3} \mathrm{NH}_{2}\) or \(\mathrm{NH}_{3}\) b. \(\mathrm{CH}_{3} \mathrm{CN}\) or \(\mathrm{CH}_{3} \mathrm{OCH}_{3}\) c. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\) or \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{3}\) d. \(\mathrm{CH}_{3} \mathrm{OH}\) or \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\) e. \(\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CCH}_{2} \mathrm{OH}\) or \(\mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{6} \mathrm{OH}\) f. \(\mathrm{CH}_{3} \mathrm{OCH}_{3}\) or \(\mathrm{CH}_{3} \mathrm{CO}_{2} \mathrm{H}\)

See all solutions

Recommended explanations on Chemistry Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free