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why do colour changes to pale pink when HCL is added to NaOH in volumetric analysis?

why do colour changes to pale pink when  HCL is added to NaOH in volumetric analysis?

Grade:11

3 Answers

Noor
2 Points
5 years ago
BECAUSE THE RE
Prabhakar ch
577 Points
5 years ago
An acid and base always react to form a salt and water, and it is called neutralization.The salt formed in this reaction is sodium chloride, NaCl. The equation for the reaction is : NaOH + HCl = NaCl + H2O. The numbers of Na, O, H and Cl atoms on the left and the right sides are as such equal.
so colour changes to pale pink when  HCL is added to NaOH in volumetric analysis?
 
Noor
2 Points
5 years ago
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