When would you use a volumetric flask to make solutions instead of a graduated cylinder or...

When would you use a volumetric flask to make solutions instead of a graduated cylinder or vice versa?

Expert Solution

Whenever a solution going to prepare which concentration going to involve in the caculations of analysis wheather it is titration ,gravimetric or any instrumental analysis , it should be prepared using volumetric flasks

For example , When you going to estimate the concentration of a solution using other solution the folloing formula is applied

V1 × N1 = V2 × N2

where,

V1 = volume of solution 1

N1 = Normality of solution 1

V2 = volume of solution 2

N2 = Normality of solution

So, it must be prepared both known and unknown solution using volumetric flask

Whenever a solution going to prepare which concentration is not going to involve in the calculation of analysis , the it may be prepared by measuring cyllinder

For example , in most of the titrations , we are using external indicators which concentrations are not involving in calculation of the analysis, so no need for using volumetric flask and measuring cyllinder is enough. For example , in acid base titration we are using 1% Phenolpthalein solution as indicator which can be prepared by measuring cyllinder

queen_honey_blossom answered 2 years ago

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