Na2CO3 + 2HCl → 2NaCl + H2O + CO\(_2...
Na2CO3 + 2HCl → 2NaCl + H2O + CO2
The indicator most suitable for this reaction should have a pH equal to
5
7
3
9
Correct answer is C
Methyl orange is the best indicator for the reaction with range 3.1 - 4.4.
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