200rates
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Answer:Salt
Explanation:
In chemistry a salt is produced from a neutralization reaction, when an acid react with a base.
HCl(aq) + NaOH (aq) ----> NaCl (aq) + H2O(l)
A salt consists of the positive ion (cation) of an acid and the negative ion (anion) of a base.
H+(aq) + Cl-(aq) + Na+(aq) + OH-(aq) -------> Na+Cl-(aq) + H2O(l)
When the water is evaporated, the negatively charged chlorine ions combine with the positively charged sodium ions to form a solid salt.
The chemical formula for zinc is Zn, and HCl for hydrogen chloride. The complete balanced equation for these reactants would be:
Zn + 2 HCl → ZnCl₂ + H₂
The stoichiometric coefficient 2 for HCl is essential to obey the Law of Conservation of Mass. The elements before and after the reaction must be equal in amounts.
The three isomers of 1,2-difluoro-1,2-dimethylcyclopentane are shown. To distinguish the three isomers we can assign the stereocenters as either R or S. Moving from left to right, the first compound has the stereocenters (1R, 2S). The compound in the middle has stereocenters (1R, 2R). The third compound on the right has stereocenters (1S, 2S). It is possible to draw what appears to be another stereoisomers with stereocenters (1S, 2R), however, this compound is a meso-compound and is identical to (1R, 2S). So there are only three unique stereoisomers of 1,2-difluoro-1,2-dimethylcyclopentane.