Question

a) 1.40%
The volume of water must be added to 100 ml of 0.5 M NaOH solution to get 0.2 M S LUIT
a) 50 ml
b) 100 ml
c) 150 ml
d) 200 ml
The molarity of a solution is M. To decrease the molarity of this solution to M/2, then
to be doubled
b) Weight of the solvent to be doubled
doubled
6.​

Answer 1

Explanation:

answer of this question is option b because we can multi by 1.40 percentage by 0.2 m s salute it then you have to get by hundred ml then we can buy dead by 2