Explain step by step Q 9 by showing me the calculation please PART C8. Add 5.0 mL of 0.30 Pb(NO), to a test tube. Measure 10.0 mL of 0.30 M hydrochloric acid ina graduated cylinder.9. Pour the hydrochloric acid into a small beaker and use a disposable pipette to add it to the testtube dropwise with stirring until a white precipitate just begins to form after stirring. Thereshould be a minimum amount of precipitate present in the test tube. Make observations ofthe system as you go. Record the total volume of HCI added once you have a lastingprecipitate.(2.3ml)10. Put the test tube into the hot water bath for a couple of minutes. Record your observations.11. Cool the test tube under running cold water. Record your observations.12. Add 1 ml. increments of deionized water to the test tube until the precipitate just dissolves.Record this volume.(6mL)PART C6. Explain why PbC1, did not precipitate immediately upon addition of HCI.7. Is Reaction 3 exothermic or endothermic? Explain your choice.8. Explain why the PbC1, dissolved in water in Step 12.9. Calculate the value of the equilibrium constant for Reaction 3. Do not forget to use the totalvolume when you calculate your ion concentrations.2+• Pbck(2)/(s) = P₂²+ + 2√√(99)

9) Pb(NO3)2 + 2HCl ----> PbCl2 + 2 HNO3 This is balanced reaction shown above So 1 mole of…

Answered: 8. Add 5.0 mL of 0.30 Pb(NO), to a test…

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8. Add 5.0 mL of 0.30 Pb(NO), to a test tube. Measure 10.0 mL of 0.30 M hydrochloric acid in a graduated cylinder.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter15: Solutions

Section: Chapter Questions

Problem 14ALQ

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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

Explain step by step Q 9 by showing me the calculation please

PART C
8. Add 5.0 mL of 0.30 Pb(NO), to a test tube. Measure 10.0 mL of 0.30 M hydrochloric acid in
a graduated cylinder.
9. Pour the hydrochloric acid into a small beaker and use a disposable pipette to add it to the test
tube dropwise with stirring until a white precipitate just begins to form after stirring. There
should be a minimum amount of precipitate present in the test tube. Make observations of
the system as you go. Record the total volume of HCI added once you have a lasting
precipitate.
(2.3ml)
10. Put the test tube into the hot water bath for a couple of minutes. Record your observations.
11. Cool the test tube under running cold water. Record your observations.
12. Add 1 ml. increments of deionized water to the test tube until the precipitate just dissolves.
Record this volume.
(6mL)
PART C
6. Explain why PbC1, did not precipitate immediately upon addition of HCI.
7. Is Reaction 3 exothermic or endothermic? Explain your choice.
8. Explain why the PbC1, dissolved in water in Step 12.
9. Calculate the value of the equilibrium constant for Reaction 3. Do not forget to use the total
volume when you calculate your ion concentrations.
2+
• Pbck(2)/(s) = P₂²+ + 2√√(99)

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