6. A. If 4.50 mols of ethane, C2H6, undergoes combustion according to the unbalanced equation C2H6 + O2 > CO2 + H2O

how many moles of oxygen are required?

B. How many moles of each product are formed?

The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif            –1,036licl            –853naf            –923kf            –821nacl            –786which statement about crystal lattice energy is  best  supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.