Pls answer the the question attached below....
Kindly refer to the following links :
https://www.meritnation.com/ask-answer/question/commercially-available-concerated-hcl-contains-38-by-mass/chemistry/7423007
https://www.meritnation.com/ask-answer/question/chlorine-is-prepared-in-the-lab-by-treating-manganese-dioxid/some-basic-concepts-of-chemistry/5829775
https://www.meritnation.com/ask-answer/question/commercially-available-concerated-hcl-contains-38-by-mass/chemistry/7423007
https://www.meritnation.com/ask-answer/question/chlorine-is-prepared-in-the-lab-by-treating-manganese-dioxid/some-basic-concepts-of-chemistry/5829775