Question

4L of 0.02 M aqueous solution os NaCI was diluted by adding one litre of water. The molarity of the resulrant solution is
A. 0.004
B. 0.008
C. 0./012
D. 0.016

Answer 1

Correct Answer - d
`M_(1)V_(1)=M_(2)V_(2)`
`(0.02 M)xx(4L)=M_(2)xx(5L)`
`M_(2)=((0.0M)xx(4L))/((5L))`
=0.16 M