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uses of preciptation reaction, PLAN AN INVESTIGATION TO USE PRECIPITATION…
uses of preciptation reaction
working equations
chemical tests
sulfate test
Na2SO4(AQ)+ BACL2
__
Baso4+Na CL
Ba+2 +SO4-2
__
Baso4(s)
halides
Nacl AgNO3
___
Agcl+ NaNO3
CL- + Ag+
___
Agcl)
co2 test
Ca(OH)2+CO2
_
CaCO3(S) +h2o
PLAN AN INVESTIGATION TO USE PRECIPITATION REACTION TO WORK AN EQUATION
CONTROL VARIABLE 1 - THE CONCENTRATION OF BOTH SOLUTIONS IS 1MOLDM-3
DEPENDENT FACTOR MEASURE THE DEPTH OF PBi2
INDEPENDENT
LEAD NITRATE+POTASSIUM IODIDE
__
LEADIODIDE+POTASSIUM NITRATE
OUT LINE THE EXPERIMENTS VOLUME
1- PLACE THE SAME VOLUME OF KI2 IN A SERIES OF TEST TUBES
2- ADD DIFFERENT VOLUMES OF OF LEAD NITRATE SOLUTION TO THE TUBES
3- MEASURE THE DEPTH OF PPT
