Chemistry is a difficult subject. Even if you are lucky to have a brilliant teacher who can give profound and comprehensive explanations, there is still a chance to miss some important points. just like mathematics, it requires strong analytical skills and rigid attention. If you can't get your head around some of the key aspects of chemistry, it does not mean that you never will. If you take more time to study after classes and hire a tutor, you will succeed. And as to the homework assignments, this chemistry calculator will be of great help.
You might be asked to balance chemical equations, apply Boyle's Law, find density or dilution, solve problems on osmotic pressure, etc. All of these tasks are challenging and take a lot of time to cope with. With the help of online calculators, you will be able to solve all the problems faster. The most helpful are those that present a step-by-step solution. You can see the logic behind every step. the next time you get a similar assignment, you will have no trouble getting to the bottom of it. Remember, the periodic table is not as scary as it seems.