Yvaineperatergo Yvaineperatergo Science Answered 20. How would you prepare a solution of salt and water if the required concentration is by mass? a. Dissolve 25 g of salt in 75 g of water b. Dissolve 25 g of salt in 75 ml of water c. Dissolve 25 g of salt in 100 g of water d. Dissolve 25 g of salt in 100 ml of water