Yesterday in class, we took our weekly quiz over the first half of the chemical composition unit. It had things on it referring to things like molar mass, percent composition, and hydrated compounds. Going into the test, I did not feel very confident at all. I had heard from other students that it was difficult, and I felt unprepared. However, our scores are in the grade book now, and I ended up getting a 15/17! Which isn't perfect, but I'll take it. Moving forward, and getting closer to the actual unit test, I now have a better idea of what exactly to focus on when I'm studying, and I know how some of the questions might be worded. The main thing I am going to focus on is learning how to calculate percent composition of compounds, because I didn't really know how to do that on the quiz.
Here is a link I found that I can use to help me learn about and study this topic for the test: Calculating Percent Composition
Here is another link that I found, and this one explains molar mass in a really easy way to understand: The Mole and Molar Mass
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