7
QuizMultiple Choice
Balancing Chemical Equations
Question 7 of 10 • GCSS_Physical Science_IC
Akia is balancing the equation Na + H2O NaOH + H2. He tries to find the coefficients that will balance the equation.How could he find the correct coefficients?
Answer
A
by counting each individual atom and making sure the number of each kind of atom is the same in the reactants and the productsB
by counting the total atoms and making sure the number of atoms in the reactants is the same as the number of atoms in the productsC
by counting the total mass of each compound and making sure the reactants have more mass than the productsD
by counting the mass of each atom and making sure the reactants are more massive than the products