1.2 Amount of Substance Flashcards Preview

Chemistry 7404/5 > 1.2 Amount of Substance > Flashcards

Flashcards in 1.2 Amount of Substance Deck (12):
1

What is a mole?

6.02 * 1023 particles. 1 mole of C12= 12g

2

What is the mole equation?

mass= moles * Mr

3

What is the concentration equation?

concentration * volume (cm) moles= ——————-——————— 1000

4

What is the ideal gas equation?

PV=nRT R=8.131 T= K (273c) P=Pa V=m3

5

How do you convert to m3 from cm?

cm3—> *10 -6 —> m3

6

How do you convert from dm to m?

dm3—> *10 -3 —> m3

7

What is the empirical formula?

Simplest whole number ratio of atoms in a molecule

8

What is the molecular formula?

The actual number of atoms in a molecule

9

How do you find the empirical formula?

1) Balance the equation 2)Mass or % divide by Mr 3)Divide by the smallest number 4) Make a whole number ratio

10

What is the theoretical yield?

The amount of product that we should have

11

What is the percentage yield?

Actual amount divided by theoretical

12

What is atom economy?

How many atoms of reactant become the desired product