Quantitative Chemistry

Question 1

What is the law of conservation of mass

Answer 1

The law of conservation of mass states that no items are lost or made during the chemical reaction

so the mass of the products equals the mass of the reactants

Question 2

What is the symbol unit of moles

Answer 2

Mol

Question 3

What is the value of the avogadro constant 

Answer 3

6.02x10^23

Question 4

What is the reactant that is completely used up called

Answer 4

The limiting reactant because it limits the amount of products