Wednesday, December 5, 2012

Lesson 26

Today we continued practicing what we learned yesterday, and it made way more sense! :) then we went even further with what were learning and put it all together. First, percent yield is actual yield divided by theoretical yield times 100. Also, we figured out how to find the limiting reactant and applying it to the question. Here's an example: CaCl2+NaCO3----> CaCO3+2NACl. First step is to figure out the chemical equation (if it isn't given) and balance it. Step two is finding the molar mass of all of them. Then apply stoichiometry. Grams -->mol, molar ratio, mol--> grams. Then after finding the limited reactant, that number is the theoretical yield. That is what we did today! And loooots of practice :) homework below!

Homework:

1 comment:

  1. Holly your blogs always look so good:) great job!:)

    ReplyDelete