explain the process diagrams of sodium carbonates with hydrochloric acid
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It may already been answered on Quora, but here we go:
It is a 2 step neutralization reaction
When you start with a solution of Na2CO3 and slowly add an equivalent amount of diluted HCl ( H+ & Cl- )
the reaction is: Na2CO3 + HCl ----> NaHCO3 +NaCl ( all disolved and in ionic form)
If you then add even more HCl solution the pH go’s further down and the next reaction happens: NaHCO3 + HCl ----> NaCl + CO2 + H2O
( the CO2 escapes as a gas the other products stay as ions in the solution)
If you do this drop by drop you can make a nice titration curve:
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