when the rection stopped , the total mass had decreased from 102.5g to 101.4g . some water jad evaporated from the beaker. what else caused the drop in mass?

The reason why a mass drop can be observed in chemical reactions is likely due to evolution of gases that have not been accounted for which also include carbon dioxide.

The equation of the reaction is shown below:

CaCO₃ + 2HCl → CaCl₂ + H₂O + CO₂

According to the law of conservation of mass, in chemical reactions matter is neither created nor destroyed but changed from one form to another.

Often times we usually observe a drop in mass after chemical reactions .
This is due to evolution of gases in the reaction that we have not accounted for.
Only the mass of water vapor resulting from the reaction was accounted for.
There was also an evolution of a carbon dioxide which was not taken into account.
This will cause a significant mass difference between the products and reactants too.

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Chemical reactions http://brainly.com/question/6281756

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when the rection stopped , the total mass had decreased from 102.5g to 101.4g . some water jad evaporated from the beaker. what else caused the drop in mass?​

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when the rection stopped , the total mass had decreased from 102.5g to 101.4g . some water jad evaporated from the beaker. what else caused the drop in mass?