Write a program to solve the word puzzle problem

Cont. Chapter 4 Measuring the concentration of a solution: titration Titration: is a procedure to determine the concentration of a solution ­ When the reaction is complete you can calculate what the concentration of your unknown solution ­ You can tell when your reaction is complete by the indicator that you are using Oxidation Reduction (Redox) Reaction Oxidation: is the loss of one or more electrons by a substance whether element, compound or ion Reduction: is the gain of one or more electron by a substance O xidation I s L oss of e­ R edox I s G ain of e­ Oxidation Reduction (Redox) Reactions are any process in which electrons are transferred from one substance to another ­ They can be:  A neutral atom  A monatomic ion  A polyatomic ion  A molecule Oxidation Numbers (State): is a value that indicates if an atom is a neutral, electron­rich or electron­poor number Rules For Oxidation Numbers: 1. An atoms in its elemental state has an oxidation number of 0 N aH ,2r ,S2Nⅇ ­ : Oxidation # 0 2. An atom in a monatomic ion that has an oxidation number that indicates to its charge 2−¿ ¿ −+¿O ¿ 3 ,Cl ­ +¿,Al ¿ ¿ +¿,C a¿ Na ­ 1+,2+¿ , 3+, ­1, ­2 3. An atom that is in a polyatomic ion or in a molecular compound usually have the same oxidation number. It would have if it were a monatomic ion. ­ Hydrogen can either be +1 or ­1