Calculate the number of moles and formula units in 97.8 g of lithium perchlorate. Enter your answer in scientific notation.

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

Explain why scientists use shared characteristics to make cladograms.

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon