We have that for the Question ,it can be said that The total volume of hydrogen gas is
Vt=24.43ml
From the question we are told
Generally
With the buret divided into three
With hydrogen gas contained in the middle and value area
We have
Volume of middle
Vm=(50-31.15)
Vm=18.85ml
For Valve area
Vv=5.58ml
Therefore
The total volume of hydrogen gas is
Vt=Vm+Vv
Vt=18.85+5.58
Vt=24.43ml
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