Professionals in a scientific laboratory and in the healthcare field need to accurately prepare solutions for a number of reasons. if you wear contacts, you probably use a saline solution to rinse your contacts. what solutions do you use at work? how would you calculate the amount of solute to the solvent to prepare this solution? if you do not wear contacts but you use or make cleaning solutions for your housework, how would you accurately prepare solutions to clean? what solutions do you use that use percent concentration?