How many of the following statements are true concerning chemical equations?
I.Coefficients can be fractions.
II.Subscripts can be fractions.
III.Coefficients represent the relative masses of the reactants and/or products.
IV.Changing the subscripts to balance an equation can be done only once.
V.Atoms are conserved when balancing chemical equations.
A)3
B)4
C)2
D)5
E)1

Question

Quizplus · Accepted Answer

Coefficients can be fractions (I) and atoms are conserved when balancing chemical equations (V). Subscripts cannot be fractions, coefficients represent relative amounts not masses, and subscripts should not be changed to balance equations.

How Many of the Following Statements Are True Concerning Chemical