Question

.4L of 0.02 M aqueous solution of NaCl was
diluted by adding one litre of water. The
molality of the resultant solution is
(A) 0.004
(B) 0.008
(C) 0.012
(D) 0.016


solve this que with explanation
plzzzzzxz​

Answer 1

Answer:

O. O16 ok bro this is the answer

Answer 2

Answer:

-

Number of moles of NaCl = 4 x 0.02 = 0.08

Total final volume = 5 L

M = 0.08 / 5 = 0.016 M

Option 1)

0.004

This option is incorrect

Option 2)

0.008

This option is incorrect

Option 3)

0.012

This option is incorrect

Option 4)

0.016

This option is correct