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Assuming each measurement can be made to /- 0.05 ml, what is the percentage error in using a buret to deliver 40.0 ml of solution into an erlenmeyer flask?

Sagot :

The percentage error in using a buret to deliver 40.0 ml of solution into an erlenmeyer flask is 0.13%.

Given,

Theoretical value = 40ml

Experimental value = (40-0.05)ml = 39.95ml

%Error = |Experimental value - Theoretical value| / |Theoretical value| x 100

           = |39.95 - 40| / |40| x 100

           

           = 0.0499999 / 40 x 100

     

           =0.00125 x 100

           =0.125.

%Error = 0.13.

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