If 5g of Iron filling was reacted with excess dilute H\(_2\)SO\(_4\) to evolve hydrogen gas, which came to completion after 10 min, calculate the rate of reaction in g/hr.
Given :
Mass of Iron reacted, m = 5g
time taken, t = 10 mins
However, we must convert the time from mins to hour because of the examiner's demand.
Thus, t = \(\frac{10}{60}\) hr = 0.167
Rate of reaction = \(\frac{mass of reacted iron}{time taken}\)
= \(\frac{5}{0.167}\)
= 29.94
= 30 g/hr
The correct answer is option B.
There is an explanation video available below.
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