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This worksheet covers various topics including oxidation numbers, precipitation reactions, acid-base reactions, and molarity calculations. Students are required to identify oxidation states, write net ionic equations, and calculate molarities. Reactions between different compounds such as cu, agno3, mg, ca(oh)2, agcl, co, and koh are included.
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CH 221—Ziegler Chapter 4 WORKSHEET Precipitation, Acids and Bases, and Molarity
Zn
Pb(NO 3 ) 2
Zn(NO 3 ) 2
Cu + 2AgNO 3 Æ 2Ag + Cu(NO 3 ) 2
Mg + Ca(OH) 2 Æ Ca + Mg(OH) 2
2AgCl + Co Æ CoCl 2 + 2Ag
Cu + Zn+2^ Æ Zn + Cu+
a. KCl and AgNO 3
b. NaOH and MgCl 2
c. Fe 2 (SO 4 ) 3 and BaCl 2
d. KCl and Mg(NO 3 ) 2
b. H 2 SO 4 + Mg(OH) 2 Æ
c. HI + Ba(OH) 2 Æ
d. KOH + HC 2 H 3 O 2 Æ
e. HCl + Fe(OH) 3 Æ
a. What is the molarity of Ca(OH) 2 in this solution?
b. Of Ca+2^ ion?
c. Of OH-^ ion?
a. What is the ionic equation for the reaction between these two solutions?
b. How many moles of the precipitate is formed?
c. What is the molarity of each spectator ion in the resulting solution?