25 mL of a saturated solution of K2Cr2O7 was cooled from 90oC to 50oC, how many moles solid will precipitate from solution?

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter13: Solutions And Their Behavior
Section13.1: Units Of Concentration
Problem 1RC: You dissolve 1.0 mol of urea (H2NCONH2) in 270 g of water. The mole fraction of urea is (a) 3710 3...
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25 mL of a saturated solution of K2Cr2O7 was cooled from 90oC to 50oC, how many moles solid will precipitate from solution?  

100
90
NANO3
80
70
60
CaCl
50
Pb(NO3)2
40
KCI
NaCI
30
20
KCIO
10
Ce,(SO)
10 20 30 40 50 60 70 80 90 100
Temperature (°C)
Solubility (g of salt in 100 g H,O)
KNO3
Transcribed Image Text:100 90 NANO3 80 70 60 CaCl 50 Pb(NO3)2 40 KCI NaCI 30 20 KCIO 10 Ce,(SO) 10 20 30 40 50 60 70 80 90 100 Temperature (°C) Solubility (g of salt in 100 g H,O) KNO3
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