Chemistry in Society - Chemical Calculations

Question 1

What is the formula for percentage yield?

Answer 1

actual yield/theoretical yield x 100.

Question 2

What is the formula for atom economy?

Answer 2

mass of desired product/total mass of reactants x 100.

Question 3

What are the four steps in ion-electron equations?

Answer 3

1. Balance main elements.
2. Balance O by adding H₂O.
3. Balance H by adding H⁺.
4. Balance charge by adding e⁻.