Answer:
Final [B] = 1.665 M
Explanation:
3A + 4B → C + 2D
Average rection rate = 3[A]/Δt = 4[B]/Δt = [C]/Δt = 2[D]/Δt
0.05600 M/s = 4 [B]/ 2.50 s
[B] = 0.035 M (concentration of B consumed)
Final [B] = initial [B] - consumed [B]
Final [B] = 1.700 M - 0.035 M
Final [B] = 1.665 M
The final concentration of B in the reaction is 1.735 M.
The rate of the reaction is the change in the concentration in the given time. The equation for the reaction is given as:
[tex]\rm 3\;A\;+4\;B\to\;C\;+\;2\;D[/tex]
The rate of B with respect to A has been
[tex]\rm 3\;\dfrac{dA}{dt}=4\;\dfrac{dB}{dt}[/tex]
The rate of change of A is -0.0560 M/s
The change in B is given as:
[tex]\rm 0.0560=4\dfrac{dB}{2.50}\\ dB=0.035\;M[/tex]
The change in concentration of B is 0.035 M.
The final concentration of B is :
[tex]\rm Final \;concentration=Initial \;+concentration-dB\\Final\;concentration=1.700+0.035\\Final\;concentration=1.735\;M[/tex]
The final concentration of B in the reaction is 1.735 M.
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