Question

100 ml of 1M HCI, 200 ml 2M HCl and 300 ml 3M HCl are mixed. The Molarity of the resulting solution is
1) 1M
2) 2.66M
3) 2.33 M
4) 4.25 M​

Answer 1

Answer: 3) 2.33 M

Explanation:

Formula is :

MiVi+ MjVj+MkVk= M(Vi+Vj+Vk)

100+400+900=M(600)

1400/600=M

M=14/6=2.33 M