Quantitative Chem Flashcards
1
Q
What does concentration tell us?
A
The mass of a solute in a given volume of solution.
If we increase the mass of a solute and keep the volume the same, concentration increases.
2
Q
Why is not always possible to achieve 100% yield in a chemical reaction?
A
Some product may be lost when separated from reaction mixture.
Some reactants may react in different ways so we don’t get product we expect.
Reversible reactions may not go to completion.
3
Q
What is atom economy?
A
The measure of the amount of starting materials that end up as useful products.
Saves money and improves sustainability.
4
Q
breaking and forming bonds
A
breaking-ends
forming-exo
