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∙ 6y agoNa+ and Cl- are spectator ions.
Karen Luettgen
Hydrochloric acid and sodium hydroxide yield salt and water H+ + Cl- + Na+ + OH- --> Na+ + Cl- + H2OComment:In solutions you better leave unchanged ions ( Cl- and Na+) out of the balanced equation: called to be 'tribune ions' (people on the tribune don't take part in the 'match'):H+ + OH- --> H2O This looks simpler than: H+ + Cl - + Na + + OH- --> Na + + Cl - + H2O
CuO + 2HCl --> CuCl2 + H2O This equation is a double displacement; because Cu (Copper) has pushed out O (oxygen), so that Cu can be with Cl (chlorine). Also, H (Hydrogen) has pushed out Cl to be with O. Both elements have pushed out their partner, therefore a double displacement.
FeCl3
Calcium Chloride
No. Convert to the same units then a comparison can be made. 1l = 100 cl → 4 l = 4 × 100 cl = 400 cl < 517 cl → 4 l is less than 517 cl.
NaCl is salt and H2O is water NaCl + H2O → Na (ions) + Cl (ions) + H2O usually when writing the equation you can omit the H2O and just have: NaCl → Na+ + Cl-
Hydrochloric acid and sodium hydroxide yield salt and water H+ + Cl- + Na+ + OH- --> Na+ + Cl- + H2OComment:In solutions you better leave unchanged ions ( Cl- and Na+) out of the balanced equation: called to be 'tribune ions' (people on the tribune don't take part in the 'match'):H+ + OH- --> H2O This looks simpler than: H+ + Cl - + Na + + OH- --> Na + + Cl - + H2O
Na+ and Cl-
K+ and NO3- because KOH + HNO3 (yields) H2O + KNO3
Traditionally, if this reaction is taking place in solution, instead of writing NaOH + HCl --> NaCl + H2O you would write OH- + H+ --> H2O because when the compounds are in the presence of water, they do not actually attach to each other. NaOH becomes Na+ and OH- ions, and Na+ will not attach to anything else in water. Similarly, HCl becomes H+ and Cl- ions, and Cl- will not attach to Na+ in water. (Think about salt in water; it dissolves). Na+ and Cl- are called "spectator ions" because they do not participate in the reaction. They are just floating around in the beaker, so scientists do not include them in the final equation. What is left is OH- and H+ ions which makes H2O.
Rb+ and Cl−
In water? If so - salt solution - the fllowing hydrated ions - H+, OH-, Na+, Cl- plus molecular H2O. Sugar solution - hydrated sugar molecules, molecular H2O and H+ and OH- hydrated ions
Na+( ion) + Cl- ( ion) + H2O It gets dissociated into ions.
The cation,K +and the anion,Cl -
HCl + H2O = H3O+1 + Cl-1 Hydronium ions and Chloride ions
Na+ + Cl- --> NaCl NaCl = salt.
Ionic compounds will dissociate completely as ions in water: LiCl (s) ---> Li+(aq) + Cl-(aq)