C 6. A chemical equation is balanced by changing or
a. chemical symbols.
C. coefficie
b. subscripts.
d. reactant
2 7. In the reaction 2H,02H2 + O2, if you start wi
how many moles of hydrogen gas are produced
a. 1 mol
c. 3 mol
b. 2 mol
d. 4 mol
8. In the reaction H2S + 202 + H2SO4, the law of
predicts that for
CIT