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A student in chm 11500 lab measured a 10. 00-ml sample of deionized water into a pre-weighed erlenmeyer flask using a 50-ml buret and recorded the mass as 9. 95 g. The temperature of the sample was 24 °c. The percent error in the volume measurement was __________________.

Sagot :

Dejanras

The percent error in the volume measurement was 0.238 %.

d(water) = 0.99738 g/ml; density of the water at 24°C

V(water) = 10.00 m; volume of the water sample

m(water) = d(water) × V(water)

m(water) = 0.99738 g/ml × 10.00 ml

m(water) = 9.9738 g; mass of the water sample

error = (9.9738 g -  9.95 g) ÷ 9.9738 g · 100%

error = 0.238 %

The percent error is an error between an observed value and the true value of a measurement.

In this problem, an observed value is 9.95 grams and the true value of a measurement is 9.9738 grams.

More about volume: brainly.com/question/4936894

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