What is the molarity of a solution containing 10g of NaOH
in 500 mL of solution ?
(a) 0.25 mol L-
(b) 0.75 mol L-
(C) 0.5 mol L-1
(d) 1.25 mol L-1
Answers
Answered by
8
Answer:
0.5 molar
Explanation:
Molarity is a concentration term in which the no. of moles and the volume are related.
Molarity
(
c
)
=
no. of moles
(
n
)
volume in L
(
V
)
Here
n
=
10 g
40 g/mol
V
=
500 mL
=
0.5 L
So
c
=
n
V
=
10 g
40 g/mol
×
0.5 L
=
10 mol
20 L
=
0.5 molar
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