Explanation
When you titrate Na2CO3 against HCl , you get two neutralization point .
Hence the overall reaction is, Na2CO3 + 2 HCl → 2 NaCl + CO2 + H2O. Therefore, Methyl orange is the suitable indicator for this titration.
According to Le -chatelliers principle, if conc. of reactant become doubled, then forward reaction takes place and concentration of product also increases. so equilibrium constant also remains same.
Human blood stays in a very narrow pH range right around (7.35 – 7.45). Below or above this range means symptoms and disease. If blood pH moves too much below 6.8 or above 7.8, cells stop functioning and the patient dies. The ideal pH for blood is 7.4.
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