Is mass conserved when 40 g of sodium hydroxide undergoes a chemical change during an interaction with 36.5 g of hydrogen chloride? use complete sentences to support your answer by explaining how this can be demonstrated. i really need an answer asap this is flvs

Answer : The mass is conserved.

Explanation :

Law of conservation of mass : It states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form.

This also means that total mass on the reactant side must be equal to the total mass on the product side.

The balanced chemical reaction always follow the law of conservation of mass.

Balanced chemical reaction : It is defined as the reaction in which the number of atoms of individual elements present on reactant side must be equal to the product side.

The balanced chemical reaction will be,

According to the law of conservation of mass,

Total mass of reactant side = Total mass of product side

Mass of + Mass of = Mass of + Mass of

As we are given :

Mass of = 40 grams

Mass of = 36.5 grams

So,

Total mass of reactant = Mass of + Mass of

Total mass of reactant = 40 g + 36.5 g = 76.5 g

and,

Total mass of product = Mass of + Mass of

Total mass of product = (23+35.5)g + (2+16)g = 76.5 g

From this we conclude that,

Mass of reactant = Mass of product = 76.5 g

Hence, the mass is conserved.

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