What is the molarity of a solution that contains 4.87 g KCI (74.55 g/mol) dissolved in in 500.0 ml water?

Question

asked Nov 2, 2021 77.1k views

2 Answers

Atogle · Answer 1 · 2021-11-09T13:20:16+0000

Answer:

Molarity = 0.13M

Step-by-step explanation:

n=m/M = 4.87/74.55= 0.065mol, V= 500ml= 0.5dm3

Applying

n= C×V

0.065= C×0.5

C= 0.13M