Which of the following is true of a chemical reaction?
a) In a chemical reaction, the number of moles of product always equals the number of moles of reactants.
b) In a chemical reaction, the mass of the products always equals the mass of the starting materials that have reacted.
c) Both a and b are true.
d) Both a and b are false.
1 answer
d) Both a and b are false.
1 answer