03 Chrome File Edit View History Bookmarks People Window Help Mas e o e CH 14 HW

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03 Chrome File Edit View History Bookmarks People Window Help Mas e o e CH 14 HW https:// session. masteringchemistry.com 5019003 Part A Mastering Che The following equation shows the equilibrium in an aqueous solution of ammonia: NH3 (ac) +H2O(l) NH4 (aq) +OH (aq) Which of the following represents a conjugate acid-base pair? GEN CHE My Courses You did not open hints for this part. Course Home ANSWER: Assignment NH3 and H20 TITLE NH and OH CH 14 HW H20 and OH NHs and OH CH117 HW Part B What is the conjugate base of HSO4 Express your answer as a chemical formula. You did not open hints for this part. ANSWER: http n maste 26 D 4) EE 32% Sun 3:51 PM Q. E Help Sign Out 2e IONS View View View

Explanation / Answer

Part A:

NH3 is a weak base which gains a hydrogen ion and form conjugate acid NH4+

H2O acts as an acid and lose a H+ to form conjugate base OH-

thus,c is the option, H2O and OH- are conjugate pairs.

part B:

HSO-4 -----> H+ + SO42-

HSO4- gives a H+ ion and form its conjugate base SO42-

thus conjugate base =( SO4)2-

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