Which statement defines rate-determining step in a chemical reaction?
2 answers:
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Answer: Concentration of NaOH calculated will be underestimated.
Explanation:
End point is an observational point , which tells us about the completion of reaction between the titrant (solution in burette) and titre(solution in conical flask) in titration experiment.
In this case , NaOH is titrant whose concentration is unknown.
,
,
....(1)
According to question a chemist overshoots the end point and adds to much of NaOH solution, which means increase in the value of .
Then the value of in equation (1), will get lowered , which means that the concentration of NaOH was lower than that of the actual value. Hence underestimated concentration of NaOH.
Answer:
in 3 mole of
Explanation:
It is clear that in the given of
have
of
Therefore 3 moles of will have
of
Since 1 ion of anything is equivalent to
Therefore 3 moles of will have
of
Which is equivalent to
Thus 3 moles of gives
of
.