Concentration
=
Moles of solute
Volume of solution
, and get approx.
2.5
⋅
g
K
O
H
.
Step-by-step explanation:
And so (i) we calculate the molar quantity.....
Moles of KOH
=
concentration
×
volume
=
0.179
⋅
m
o
l
⋅
L
−
1
×
250.0
⋅
m
L
×
10
−
3
⋅
L
⋅
m
L
−
1
=
4.475
×
10
−
2
⋅
m
o
l
.
And then (ii) we multiply this molar quantity by the formula mass of
K
O
H
, .....
4.475
×
10
−
2
⋅
m
o
l
×
56.11
⋅
g
⋅
m
o
l
−
1
=
?
?
⋅
g