According to the law of conservation of mass, how much zinc was present in the zinc carbonate? 40 g 88 g 104 g 256 g

Answer : The correct option is, 104 grams.

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 will be,

According to the law of conservation of mass,

Total mass of reactant side = Total mass of product side

Total mass of = Total mass of

Mass of + Mass of = Mass of + Mass of

As we are given :

Mass of = 64 g

Mass of = 192 g

Mass of = 152 g

So,

Mass of + Mass of = Mass of + Mass of

64 g + 192 g = 152 g + Mass of

Mass of  = (64 + 192) - 152

Mass of  = 104 g

Therefore, the mass of zinc present in the zinc carbonate was 104 grams.

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answer; economic order quantity;