Passive voice

• If too much reactant is used, there will be some reactants left in the chemical reaction. 
• Moles can be used to see how many molecules are in chemical compounds, too. 
• The atomic mass of an element can be used to see how much of the element makes a mole.

• Too much reactant was used.
• Chloride acid the reaction is added to the reaction
•  elements  is removed from the closet