Question

Which salt is formed when concentrated hydrochloric acid is added to concentrated sodium hydroxide ?​

Answer 1

Answer:

Sodium chloride

Explanation:

Hydrochloric acid(HCl) reacts with Sodium Hydroxide ( NaOH) to form a colourless aqueous solution of Sodium Chloride ( NaCl) salt. Now as per the law of conservation of mass, mass is neither created nor destroyed in a chemical reaction. So, the equation should be balanced and in this case it is already balanced.

Answer 2

When we add,

Con HCl to con Na(OH) we get,

HCl+ Na OH - - - - > NaCl (ppt) + H2O.

As we know, law of conservation of mass which states that mass of any element can be destroyed in any chemical reaction. From this reaction we get NaCl which is a regular salt and water where salt is white in color which means salt is precipitate in reaction and heat is evolved in reaction.

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