Equations

Question 1

MASH
AAWS
CAWCS
BAWS

Answer 1

Metal + acid = salt + hydrogen
Alkali + acid = water salt
Carbonates + acid = water + carbon dioxide + salt
Bass + acid = water + salt

Question 2

Percentage Yield

Answer 2

Percentage yield = actual yield
_________________ x 100 %
Theoretical yield

Question 3

Atom economy

Answer 3

Atom economy = total mass of desired product atoms
______________________________________x 100
total mass of reactant products

Question 4

Empirical Formula

Answer 4

Example
Al 20.2% Cl 78.9%
Al= 27 20.2 divided 27 = 0.7481 divided by 0.7481 = 1
Cl= 35.5 78.9 divided 35.5 = 2.2479 divided by 0.7481 = 3

Ratio 1:3