Question

what is the mass of 0.25 mol of koh? molar mass koh = 56.11 g/mol 0.25 mol koh = ? g koh.

Explanation:

Step1: Recall mass - mole relationship formula

$m = n\times M$, where $m$ is mass, $n$ is number of moles and $M$ is molar mass.

Step2: Substitute given values

$n = 0.25\ mol$ and $M=56.11\ g/mol$. So $m=0.25\ mol\times56.11\ g/mol$.

Step3: Calculate the mass

$m = 14.0275\ g$.

Answer:

$14.03\ g$ (rounded to two decimal - places)