Chemical Equations + MATH. Flashcards
1
Q
What does Aqueous (aq) mean?
A
Dissolved in Water
2
Q
What is an Ionic Equation?
A
A balanced-symbol equation, but you need to remove anything that’s the same on both sides (especially if it’s aqueous)
The overall charge on both sides should be the same
3
Q
How do you find Density?
A
Mass/Volume
4
Q
How do you find the percentage mass of an element in a compound.
A
Divide the mass of the element (alone) by the molar mass of the compound and multiply by 100.
5
Q
What is the Equation for Percentage Yield?
A
Actual Yield/theoretical yield x 100
6
Q
What’s the Equation for Atom Economy?
A
Mass of Useful Product/Mass of ALL product x 100
