Solutions... Whether you are a chemist, biologist or student, no one likes the calculations needed before making chemical solutions. Solutions is the solution, and it's fun too!
How many grams of caffeine do you need to make a 1 molar coffee solution? What's the molarity of water? In what volume do I have to dissolve 10 grams of glucose for my experiment? Never before it was so easy, and without mistakes. Solutions tells you straight away.
And did we tell already that it puts the