6.02 times 10 to the 23rd power
Answer:
The iron is in the +3 oxidation state, which is what the III means.
Putting glue on something, because once it is set in you cannot change it back.
it is A Acid
Explanation : Any substance that yields a hydrogen ion when placed in a water solution is called an acid. According to Arrhenius theory of Acids and Bases, Acids are those substances which on dissociation in solution generates ions. Whereas a Base is a substance that dissociates in the solution to produce ions.