El sistema digestivo es un grupo de órganos que trabajan juntos para convertir los alimentos en energía y nutrientes básicos para alimentar a todo el cuerpo.
Answer:1. 
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Explanation:
Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.
Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.
1.
has empirical formula of
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has empirical formula of 
3.
has empirical formula of
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has empirical formula of
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has empirical formula of
Answer:
Le Chatelier's principle, also called Chatelier's principle or "The Equilibrium Law", is a principle of chemistry used to predict the effect of a change in conditions on chemical equilibria.
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When an iconic crystal such as NaCl is placed in water, a dissolving reaction will occur. Initially, the positive and negative ion are only attracted to each other