Adsorption experim ent Reaction between FeS and HCl: wwww FeS+2HC1-FeCl2+H2S Reaction on filtration sheet: H2S+Pb(CH:CO0)2-PbS+2CH3COOH STEP1 Put some FeS particles into a big tube. Add1 or 2 mL of 18% HCl solution onto FeS particles. Immediately close the tube with Pb(NO3)2 or Pb(CH:COO)2 immersed wwwww filtration sheet. 1. Why filtration sheet turned black in step1? STEP2 Put some Fes particles into a big tube. Fix the "glass funnel" (glass pipette) to the tube after adding HCl solution. Close the outlet of funnel with Pb(NO3)2 or Pb(CH:COO)2 immersed filtration sheet. 1. Why filtration sheet didn't turn black in step2 ?

Adsorption experim ent Reaction between FeS and HCl: wwww FeS+2HC1-FeCl2+H2S Reaction on filtration sheet: H2S+Pb(CH:CO0)2-PbS+2CH3COOH STEP1 Put some FeS particles into a big tube. Add1 or 2 mL of 18% HCl solution onto FeS particles. Immediately close the tube with Pb(NO3)2 or Pb(CH:COO)2 immersed wwwww filtration sheet. 1. Why filtration sheet turned black in step1? STEP2 Put some Fes particles into a big tube. Fix the "glass funnel" (glass pipette) to the tube after adding HCl solution. Close the outlet of funnel with Pb(NO3)2 or Pb(CH:COO)2 immersed filtration sheet. 1. Why filtration sheet didn't turn black in step2 ?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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