Amount of substance

Question 1

what is empirical formula

Answer 1

the smallest whole number ratio of atoms of each element present in a compound

Question 2

what is molecular formula

Answer 2

the actual number of atoms in a molecule

Question 3

what is the equation for percentage yield

Answer 3

(actual yield/theoretical yield)x100

Question 4

what is atom economy

Answer 4

measure of the proportion of reactant atoms that become part of the deseried product in the balanced equation

Question 5

name 3 economic advantages of a high atom economy

Answer 5

makes more effecient use of raw materials
less waste to deal with
lots of raw materials go to make desired product

Question 6

what is an environmental advantage of high atom economy

Answer 6

as less resources used and less harmful chemicals placed into the environment

Question 7

what is the equation for atom economy

Answer 7

(molecular mass of desired product/sum of molecular masses of all reactants) x100