A solution contains 4.5×10^-3 HCl. Determine the following solution:
a) H3O
b) OH
c) pH

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).

fe 55.85 g/mol and h2o 18.02 g/mol.