113_1a_key

113_1a_key - of copper (F.W. = 63.5gimole). How many grams...

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2i/"Points .-- ,?O 1. (5 pts) Write the net ioilic equation for the reaction of sodium l1ydroxide with ,calcium chlonde. .+ I JJ ClltL/1 ~ )1 t"'d f~ r l'f . 2--11/ C( D H I- ~ eI ~ --5) &{ Il 1/2;-- 2- I1/a if -t \ T\ 't- / 'j- 2. ( 16 pts) What reagent or reagent mixture could you add to separate the following into two different phases: 2- r 2- ~ ~r Reagent or Reagent Mixture, " ,~~~on , .- r~(()m. r M NtlOtf A-I:(OtfJ) t;(i5StJl,,(.S A!LQill" and ~ {Ill. ! 0 { (£ r [() tI h d() e 5 n ;4ye.! dl'5StJ/V'" f a".J. If'i- J- AtJc'5;! ~ M and Agg NalCO,1 and ~aCO,1 f '2.- t\f Zn2+ and Ba2+ ,'", $1 I\( r, 'c ~ i" Sfllu h'~ (OVER)
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3. (9 pts) A student started with 3.15 mL ora 16.0 M nitric acid (F.W. = 63.0 g!mole) and 0.244g
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Unformatted text preview: of copper (F.W. = 63.5gimole). How many grams of copper nitrate (F.W: = 187.5gimole) and how many molecules of NO (F.W. = 28.0 gimole) will be produced? If the student produced-~o~ of copper nitrate, what was the student's percent theoretical yield? "11rl'q C!G"'r 3Cu + 8HNO3 ..3CU(NO3)2 + 2NO + 4H2O jf!'7,)--1- =- J J"'lf7 (f9 (hrJ/-e i 2--/ ',./"\ T~ .---(J L '7 2{) /l. Grams of copper nitrate .z. .. I t ~'-Lf )( /0-Molecules of NO-.--9&':310 Percent theoretical yield (OYER) L (I rift' (e5 tf~)...
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This note was uploaded on 04/12/2008 for the course CHEM 109 taught by Professor Malina during the Spring '08 term at UNL.

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113_1a_key - of copper (F.W. = 63.5gimole). How many grams...

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