High-School Chemistry Comeback 6 / 10
High-School Chemistry Comeback
Water has a molar mass of 18 g/mol. How many moles are in 9 g of water?
About this quiz
How much chemistry survived the years since school? Begin with atoms, isotopes and bonding, then climb through chemical equations and moles to an advanced high-school round.
How to play
- 1 Answer ten questions in order. There is no timer and speed is not scored.
- 2 Clear the opening level with three of four correct, then each higher level with two of three. Earlier levels must be cleared first.
- 3 Finish all ten to reveal your level and see the explanation for every answer.
The first four questions establish your introductory level. Three intermediate and three advanced questions follow. Work at your own pace; the numbers are chosen to be manageable without a calculator.