3. An experimenter reacts 30.0 mL of a BaCl, solution with excess AgNO, as shown in the unbalanced equation below. If 2.58 grams of AgCl are obtained, what is the molarity of BaCl, solution? Eress Hint: First balance the chemical equation. BaCl, (aq) + AGNO3(aq) Ba(NO3)2(aq) AgCl(s) ->

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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I really need help with question 3 on the second page but mostly want to check that I did both pages correct.

C. Questions
apuLaçoi gebog
Becas
of
1. Why isn't the mass of potassium sulfate used in any of the calculations?
mosó S Potassim Suefel
2. If the barium sulfate precipitate is not dried thoroughly, will the experimentally determined
concentration be higher or lower than the true value? Concisely explain based on how the molarity
is calculated. hi Sher
eece opesm.es
3. An experimenter reacts 30.0 mL of a BaCl, solution with excess AgNO, as shown in the
unbalanced equation below. If 2.58 grams of AgCl are obtained, what is the molarity of BaCl,
-LA W m as
3.
solution?
Fress
Hint: First balance the chemical equation.
BaCl2(aq)
AGNO3(aq)
Ba(NO3)2(aq)
->
(s)1ɔ6
Ba ch +2Agu03 > Ba(Noa +2 AgCl
calalde e g ¿AsCI
3:Ascl
batostlos O
onim
Transcribed Image Text:C. Questions apuLaçoi gebog Becas of 1. Why isn't the mass of potassium sulfate used in any of the calculations? mosó S Potassim Suefel 2. If the barium sulfate precipitate is not dried thoroughly, will the experimentally determined concentration be higher or lower than the true value? Concisely explain based on how the molarity is calculated. hi Sher eece opesm.es 3. An experimenter reacts 30.0 mL of a BaCl, solution with excess AgNO, as shown in the unbalanced equation below. If 2.58 grams of AgCl are obtained, what is the molarity of BaCl, -LA W m as 3. solution? Fress Hint: First balance the chemical equation. BaCl2(aq) AGNO3(aq) Ba(NO3)2(aq) -> (s)1ɔ6 Ba ch +2Agu03 > Ba(Noa +2 AgCl calalde e g ¿AsCI 3:Ascl batostlos O onim
feyemoroshso
Laboratory Report - Barium Chloride
NamePaula Aahley.
A. Data
-629
Mass of potassium sulfate
Volume of barium chloride
3-279
Mass of filter
ape-
Mass of filter paper + barium sulfate after drying
Mass of collected barium sulfate
6S3-|こ ELてを一今と8-と
B. Calculations (show all work)
1, Write out the balanced chemical equation for the precipitation reaction performed today.
Bec2Cag)+k2S(a3)-> 2kcCag) + Sa Say (s)
2. Calculate the moles of BaSO,collected.
2508Baso4(233:19Bee
3. Based on the number of moles BaSO, collected, calculate the moles of BaCl, present in the
original solution.
05 0
lmot
こ as.
0.0024mole Bes.
4.
4, What is the experimentally determined molarity of the BaCl, solution?
Mz Solute mole mz O- 0024 moG BEdz
5. Calculate the
on the reagent bottle). % Orror = 0-096 molelc
percent error (the true value will either be given by your instructor or recorded
204 001
7/
100
6. Calculate the grams of BaCl, in the original solution starting from the moles calculated in
#3 above. O·0024A302208.29Bacl2
-0.5005 Baclz
7. What is the experimentally determined %(m/v) of the BaCl, solution?
Transcribed Image Text:feyemoroshso Laboratory Report - Barium Chloride NamePaula Aahley. A. Data -629 Mass of potassium sulfate Volume of barium chloride 3-279 Mass of filter ape- Mass of filter paper + barium sulfate after drying Mass of collected barium sulfate 6S3-|こ ELてを一今と8-と B. Calculations (show all work) 1, Write out the balanced chemical equation for the precipitation reaction performed today. Bec2Cag)+k2S(a3)-> 2kcCag) + Sa Say (s) 2. Calculate the moles of BaSO,collected. 2508Baso4(233:19Bee 3. Based on the number of moles BaSO, collected, calculate the moles of BaCl, present in the original solution. 05 0 lmot こ as. 0.0024mole Bes. 4. 4, What is the experimentally determined molarity of the BaCl, solution? Mz Solute mole mz O- 0024 moG BEdz 5. Calculate the on the reagent bottle). % Orror = 0-096 molelc percent error (the true value will either be given by your instructor or recorded 204 001 7/ 100 6. Calculate the grams of BaCl, in the original solution starting from the moles calculated in #3 above. O·0024A302208.29Bacl2 -0.5005 Baclz 7. What is the experimentally determined %(m/v) of the BaCl, solution?
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