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ID: 958677 • Letter: B

Question

BUY THIS dope shoes New Jersey...ckay Jerseys BLOGS2SUBMIT2 STUDENT LOANS INFO STUDENT LOANS INFO STUDENT LOANS INFO Men's New J. ALEKS: Brandon Sandejd Peasa hep me quick. How to find the pKa as O KINETICS AND EQILIBRIUM Calculating equilibrium composition from an equilibrium.. Suppose a 250. mL flask is filled with 1.0 mol of CO, 1.7 mol of H,O and 1.6 mol of H. The following reaction becomes possible: The equibrium constant K for this reaction is 9.67 at the temperature of the flask. Calculate the equilibrium molarity of H0. Round your answer to one decimal place

Explanation / Answer

[Co ]=1×1000/250=4

[H2o ]=1.7×1000/250=6.8

[H2 ]=6.4

Atequilibrium

[Co ]=4-x

[ H2o]=6.8-x

[Co2 ]=x

[ H2]=6.4-x

K=9.67=x×( 6.4-x)/4-x × (6.8-x)=6.4x+x²/27.2 -4x - 6.8x +x²

263.02-104.43x - 104.43x + 9.67x²=6.4x +x²

8.63x²- 110.83x + 263.02=0(quadratic equation)

a=8.67

b= -110.83

c=263.02

Root=-b±b² - 4ac/2a

Taking the negative value

110.8 - 110.8² -4 × 8.67×263.02/2×8.67=3.1476

[ H2o]=6.8 - x=6.8-3.1476=3.6524=3.7