Question

What is the molarity of a KNO3 solution containing 0. 45 mol KCl in 400 mL of solution?

a. 0. 89M

b. 204 M

c. 0. 0011

d. 1. 125 M

e. 4. 90 M

Answer 1

D

Step-by-step explanation:

0•45 is to 400ml which is same as 400cm3

what about in 1000cm3

0•45*1000/400

=1•125M