After subtracting the volume needed from the volume dispensed, we got a remainder of 35ml
Given Data
Let us compute the amount of excess hexane/ the volume that will remain
Remainder = The difference in volume dispensed and the volume needed
Remainder = 40-5
Remainder = 35 ml
The remainder is 35ml
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If you dispense 40 ml of hexane, but it turns out you only need 5 ml, then we should have 35 mL of remained hexane.
Remaining volume of any liquid will be calucted as:
Remaining Volume = Total volume - Used volume
Given that, total volume of hexane = 40 mL
Used volume of hexane = 5 mL
On putting values in above equation, we get
Remaining volume = 40 - 5 = 35 mL
Hence required value of remaining volume is 3 mL.
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