Question

gm
NaOH dissolve in 250 mL solution. This
solution is diluted by using 500 ml water. Find
the molarity in dilute solution. Also find moles NAOH​

Answer 1

Answer:

Explanation:

The concentration would be halved....

Explanation:

In either scenatio, we gots  

concentration

=

moles of solute

volume of solution

concentration

1

=

8.0

⋅

g

40.0

⋅

g

⋅

m

o

l

−

1

250

⋅

m

L

×

10

−

3

⋅

L

⋅

m

L

−

1

=

0.80

⋅

m

o

l

⋅

L

−

1

concentration

2

=

8.0

⋅

g

40.0

⋅

g

⋅

m

o

l

−

1

500

⋅

m

L

×

10

−

3

⋅

L

⋅

m

L

−

1

=

0.40

⋅

m

o

l

⋅

L

−

1

..