A solution of only water and sodium chloride is pH 7. However, that scenario doesn't happen outside of extremely controlled conditions. Most water has other ions in it which will alter its pH. read more
Sodium chloride it has pH of 7 in aqueous solution NaCl react with H2O to form NaOH and HCl which all that products produced are strong base and acid respectively so when pH of the solution measured will be neutral at room temperature. read more
Because of this, the combination of a strong acid and a strong base, as in the case of sodium chloride (NaCl), results in a neutral substance with a pH of 7.00, as the weak conjugate acids and bases do not affect the pH of it. read more
In ionic compounds the simplest ratio of oppositely charged ions that gives an electrically neutral unit is represented in the formula are called a formula unit. The formula unit for sodium chloride is NaCl, or one sodium ion and one chloride ion. Because of this combination NaCl is neutral. read more