2 C8H18 + 25 O2 → 16 CO2 + 18 H2O If this reaction is to be used to synthesize 10.25 moles of CO2, how many moles of oxygen are needed? How many moles of octane?

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided